HG/T 2152-1991 Technical Specifications for Carbon Black DBP Absorption Tester
Some standard content:
Chemical Industry Standard of the People's Republic of China
HG/T2152-91
Technical Specifications for Carbon Black DBP Absorption Tester
Published on August 19, 1991
Ministry of Chemical Industry of the People's Republic of China
Standard Search Network mbee.com Various standard industry materials are free to download. 1992-01-01 implementation
Chemical Industry Standard of the People's Republic of China
Technical Specifications for Carbon Black DBP Absorption Tester
Subject content and scope of application
HG/T2152-
This standard specifies the technical conditions, test methods, inspection rules, etc. of carbon black DBP absorption value tester. This standard applies to carbon black DBP (dibutyl phthalate) ~ absorption value tester (hereinafter referred to as the tester) 2 Reference standards
GB3780.2 Determination of carbon black dibutyl phthalate absorption value (A method) 3 Structural dimensions
The tester consists of a mixing chamber, a rotor, a torque sensor The device, constant rate titration device and data acquisition and processing device are composed of its main structural dimensions as follows:
3.1 Mixing chamber
The geometric shape and size of the carbon black and DBP mixing chamber are shown in Figure 164
38.1±0.01
Figure 1 Mixing chamber
The mixing chamber is preferably made of a lightweight and wear-resistant alloy material, or it can be made of steel with a hardness of HRc45 or above after treatment. 3.2 Rotor
The geometric shape and size are shown in Figure 2.|| tt||1991-08-19 Approved by the Ministry of Chemical Industry of the People's Republic of China Standard Photo Network·Ww
All kinds of standard industry information are free to download
1992-01-01 Implementation
HG/T2152
Figure 2 Rotor
The rotor is made of wear-resistant alloy material, or made of steel with a hardness of HRc45 or above after treatment. Torque sensor
This device converts the torque borne by the rotor into a transmission signal output. 3.4 Constant speed titration device
The device consists of a motor, an oil tank, an oil pump (or a plunger burette) and an output tube. The output tube should be a plastic tube that is resistant to DBP swelling and easy to bend.
3.5 Data acquisition and processing device
This device is used to receive and record the torque value borne by the rotor and the corresponding DBP absorption during the test, and perform necessary processing.
This device is best to use a microcomputer, and can also be completed in other ways (or recorders). 4 Technical requirements
4.1 Normal working environment
4.1.1 Ambient temperature 23±2C;
Relative humidity is less than 80%.
4.1.2 The surrounding air does not contain corrosive gases. 4.1.3 The power supply voltage fluctuation range does not exceed ±10% of the rated value. 4.2 When the rotor is in a vertical position, the gap between the lower edge of the rotor and the wall of the mixing chamber is 1.1mm. 4.3 Rotor speed
The rotor speed range driven by the motor is 110~130r/min, and the speed ratio with the driven rotor is 1:2, or 1:4.4 Torque signal value output by the torque sensor The fluctuation range of the torque signal value output by the torque sensor does not exceed 5% of the maximum torque value during the test. 4.5 Constant speed titration device
The titration speed range of the constant speed titration device is 3.7~4.3mL/min. The allowable deviation of titration is ±0.024mL/min. 4.6 Repeatability: The difference between two test results shall not exceed 1.6mL/100g. 4.7 Appearance
The cover layer of the shell and parts of the measuring instrument shall be smooth, intact, and free of defects such as peeling and damage. The fasteners shall not be loose. Each switch and operating key must be flexible and reliable. The text, symbols and signs on the operating keys shall be clear and correct, and shall not become blurred due to wear and the action surface of the reagent.
4.8 Transportation and bumping test
Under the packaging conditions, the measuring instrument shall be able to withstand the transportation frequency bumping test without damage. The measuring instrument after frequency bumping shall still meet the requirements of this standard without repair.
4.9 Insulation resistance
The insulation resistance of the power circuit to the casing is greater than 7M under normal working conditions. 4.10 Dielectric strength When the ambient air temperature is 23±2℃ and the relative humidity is less than 80%, the test voltage withstand test shall be carried out within 1min without breakdown and arcing. The noise sound pressure level of the power circuit to the casing shall not exceed 75dB (A). Test method The test shall be carried out under the conditions specified in Article 4.1. Instruments and materials required for the test: Recorder with an accuracy of 0.5 level; Constant temperature drying oven: 125±3℃; Analytical balance: accuracy 0.01g; Dryer; Crushing device: capable of crushing 25~30g of carbon black Test voltage: V Test power frequency, Hz Scraper: The ink knife specified in Article 2.3.5 of GB3780.6-83 can be used. The ink knife is conical, 100~150mm long; stopwatch;
beaker: capacity 150mL;
DBP output tube: able to withstand the swelling of DBP;
reagent: DBP, density 1.045~1:050g/mL at 25℃, sound level meter (level 1);
feeler gauge.
5.3When the long axis of the rotor is in the vertical position, the distance between the long axis end and the mixing chamber wall is tested with a feeler gauge, which shall meet the requirements of Article 4.2. 5.4Test of the rotor speed driven by the motor: Use a stopwatch or non-contact tachometer to test, which shall meet the requirements of Article 4.3. 5.5Test of the output torque value of the torque sensor: Use a 0.5-level recorder to draw a graph of the carbon DBP absorption value for inspection, which shall meet the requirements of Article 4.4. 5.6Test of the constant-speed titration device: See Appendix B (Supplement) for details. 5.7 Repeatability test:
Perform according to Appendix A (supplement) and shall comply with the requirements of Article 4.6.: 5.8 Anti-transport bump test:
Perform the test according to the requirements of Article 4.8. The packaged measuring instrument shall be driven on a third-class highway at a speed of 30-40km/h for 2003 km. After that, a comprehensive inspection shall be carried out according to this standard.
5.9 Insulation resistance test:
Perform the test with a 500V megohmmeter according to Article 4.9.
5.10 Insulation test:
HG/T2152-91
Perform the test on an insulation strength tester according to Article 4.10. 5.11 Appearance test:
Use the daily test method to test according to the requirements of Article 4.7
5.12 Noise measurement method:
The sound level meter should face the sound source and be parallel to the horizontal plane; the height of the sound level meter from the bottom of the measuring instrument is 0.5m; the distance between the sound level meter and the measuring instrument is 1m;
The measurement points should be no less than 6 points around the instrument, and the maximum reading value measured at each measurement point is taken as the noise sound pressure test of the measuring instrument. The sound pressure test should be carried out when the sound pressure level is the maximum during the operation of the measuring instrument. Normally, when the torque increases sharply, the sound pressure level is the maximum. When measuring noise, the background (ambient) noise should be measured first. Its value should be at least 10dB lower than the sound pressure level when measuring the measuring instrument. If the difference is less than 3dB, the measurement is invalid. If the difference is 3~9dB, make corrections according to the table below: -2
Noise sound pressure level during measurement;
In the table: L.
Lz——background noise sound pressure level;
AL-—correction value, the noise sound pressure level is L-AL. The noise level of the measuring instrument is L,-△L
6 Inspection rules
Each measuring instrument must be inspected and qualified by the quality management department and accompanied by a qualified document before it can leave the factory. 61
6.2 Test items
The measuring instrument is divided into two categories: factory test and type test. 6.2.1
Factory test is carried out unit by unit under the conditions of Article 4.1 of this standard and in accordance with Articles 4.2~4.7 and 4.9~4.11 of this standard: Type test is carried out under the conditions of Article 4.1 of this standard and in accordance with sampling inspection of Articles 4.1.3 and 4.2~4.11 of this standard. The measuring instrument needs to be type tested under the following circumstances. Trial type identification of new products and old product transfers; after formal production, if there are major improvements in structure, materials, components, and processes that may affect product performance; during normal production, periodic inspections should be carried out regularly or after a certain amount of production has been accumulated; when the product is resumed after a long period of suspension; when the national quality supervision agency proposes the requirement for type testing, batch production products should be inspected regularly. Inspections are carried out once a year, and the number of units inspected is not less than 2.6.3
6.4 Judgment rules
6.4.1 If any measuring instrument fails the factory test, it can be repaired and re-tested. If there are still unqualified items after inspection, the product is judged as unqualified.
6.4.2 Type test is carried out on products that have passed the factory test. If one unit is unqualified in the sampling, only one-time repair is allowed. If two units in one item are unqualified, the batch of products is judged as unqualified. 4
Standard replacement code
All kinds of standard industry materials in the West are downloaded free of charge
7 Marking, packaging, transportation, storage and completeness 7.1 Marking
HG/T2152
Fix the nameplate at the appropriate position of the measuring instrument casing. The nameplate shall indicate: manufacturer name or factory logo;
b., instrument name and model;
main technical indicators;
d., manufacturer number;
year and month of manufacturing:
7.2 Packaging
The packaging box should be firm to ensure normal transportation. It will not be damaged during loading and unloading, and can prevent sand and rain from seeping in. 7.2.1
The text and logo on the outside of the packaging box should be clear and should not be blurred due to the passage of time and rain. The content includes: 7.2.2.
Manufacturer name, test machine name, model and factory number; consignee and address;
Packaging box dimensions and gross weight; position marks of the box's center of gravity and lifting ropes; "upward", "precision instrument", "handle with care" and other words and patterns. 7.3 Transportation
The measuring instrument packaged in accordance with the requirements of Article 7.2.1 should be transported by common means of transportation, but rain, snow or mechanical collision should be avoided. 7.4 Storage
Store the measuring instrument The warehouse of the instrument should be dry and ventilated, and its environmental conditions are as follows: a.
Temperature: 10~35;
Relative humidity: less than 80% (20℃);
There should be no excessive dust, acid, alkali and other gases that may cause corrosion in the room, and no strong mechanical vibration, impact and strong electromagnetic 7.5 Completeness
The measuring instrument supplied as a complete set includes: main unit, constant rate titration device and supporting instruments. The following technical documents are provided with the measuring instrument: packing list;
Product factory certificate;
Installation and operation instructions,
"The random documents should be packed in a plastic bag and placed in the packaging box. Various standards industry materials free of charge
A Overview
HG/T215291
Appendix A
Calibration of the measuring instrument
(Supplement)
This measuring instrument uses a constant rate titration device to add DBP to the carbon black sample placed in the mixing chamber. As DBP increases, the mixture of carbon black and DBP changes from a free-flowing state to a semi-plastic mass, and the viscosity increases at the same time. It is transmitted to the torque sensor through the rotor. When the torque generated by the viscosity change reaches the set value, the constant rate titration device stops working and reaches the end point of the measurement A2 Instruments and materials required for the test
A3 Sample preparation
In a constant temperature drying oven at 125±3℃, dry the carbon black sample for 1h, and then cool it in a desiccator for at least half an hour. The dried carbon black sample can be stored in a desiccator for use. A4 Test conditions
Perform according to Article 4.1.
A5 Test steps
A5.1 First, calibrate the constant rate titration device, see Appendix B for details. A5.2
See Table A1 for the standard reference carbon black required for calibrating the measuring instrument. Table A1
Standard reference light black
A5.3 Sample amount
DBP absorption value, ml/100g
Weigh the dried carbon black sample (accurate to 0.02g) according to the carbon black type and sample amount listed in Table A2. Table A2
N630, N642 and N700 series, except N765 and N785 N800 and N900 series
All other types
A5.4 Determination
: A5.4.1 Place the carbon black sample in the mixing chamber, the sample is the most, g
A5.4.2 Start the tester, and then start the constant speed titration device. DBP is added dropwise to the carbon black sample placed in the mixing chamber. When the carbon black absorbs DBP, the free-flowing state of the mixture of carbon black and DBP becomes a semi-plastic mass, and the viscosity increases at the same time. The viscosity is transmitted to the torque sensor through the rotor. When the torque value generated by the viscosity change reaches the set value, the titration device stops working. The amount of DBP added can be read from the digital display or obtained in other ways. A5.4.3 Remove the mixing chamber and carefully clean the rotor and mixing chamber with a scraper. A5.4.4 Reinstall the mixing chamber.
A6 Expression of results
The carbon DBP absorption value D is expressed as the volume of DBP absorbed per 100g of carbon black. Calculate using formula (A1): D
Where: V--the volume of DBP used, ml; M--the amount of sample, g.
A7. Repeatability
The difference between the two test results shall not exceed 1.6mL/100g. Each standard carbon black shall be measured a sufficient number of times to obtain a stable value. If the difference between the two test results does not exceed 1.6mL/100g, the two results are considered reliable. After the analyzer is calibrated and adjusted, if the oil absorption value of the test standard carbon black still does not meet the requirements of Table A1, the measured value can be regressed using the least squares method to regress the measured value to the standard value. Another method is to make a curve between the measured value and the standard value and use a suitable equation or graph to correct the measured sample value.
Appendix B
Test of constant rate titration device
(Supplement)
B1 Overview
The constant rate titration device is an important part of the absorption value measurement system. If the titration device fails and cannot provide the specified amount of reagent to the carbon black sample, it will result in an erroneous absorption value reading. This appendix provides a method to calibrate the rate and accuracy of the titration device providing reagents.
B2 Reagent
DBP has a density of 1.045~1.050g/mL (25c). B3 Apparatus
Stopwatch;
Beaker: capacity 150mL;
Balance: accurate to 0.01g,
Plastic tube: able to resist DBP swelling.
B4 Operating Procedures
B4.1 Ensure that all seals and pipelines are in good condition. Fill the entire titration system with reagents and ensure that there is no air in the piping system. B4.2
When the titration device is full of reagents, put the stopcock in the output state until the output tube obtains a constant flow rate. B4.4 Stop the output tube from outputting reagents and set the digital counter to zero. B4.5 Place the weighed beaker (accurate to 0.01g) under the output tube and start the titration device and stopwatch at the same time.
When the timing reaches 2min, stop the titration and record the titration value. B4.7
Standard Search Network mm.btupec.ccm Various standard industry information free lower part B4.8 Weigh and record the mass of the output reagent. B4.9 Weight Fill the burette again,
HG/T2152-
B4.10 Change the time of B4.7 to 4min and 8min, repeat the operations of B4.3 to B4.9 B5 Evaluation of the calibration results
B5.1 Calculate the volume V of the output reagent by formula (B1), in mL M
Where: M is the mass of the output reagent, g
-reagent density, g/ml.
Qualified results
The deviation between the calculated reagent volume and the digitally recorded reading should be within the range of Table B1 Table B1
Additional notes:
This standard is proposed by China National Chemical Equipment Corporation. Allowable deviation,
This standard is under the jurisdiction of the Rubber Testing Instruments and Equipment Standardization Technical Committee of the Ministry of Chemical Industry. This standard was drafted by the Beijing Rubber Industry Research and Design Institute of the Ministry of Chemical Industry. The drafter of this standard is Qi Yuzhi.
Standards Grant Network mm.brrca.ccm(B1)
People's Republic of China
Chemical Industry Standards
Technical Conditions for Carbon Black DBP Absorption Tester
HG/T2152-91
Editor Chemical Industry Standards Editorial Department
(Institute of Standardization, Ministry of Chemical Industry)
Postal Code: 100013
Institute of Standardization, Ministry of Chemical Industry
Copyright reserved. No reproduction allowed
Format 880×12301/16 Sheet % Number of Words 16000First Edition July 1992
First Printing September 1992
Print Quantity|—500
Standards Collection Network o.bzte.com. Free Download of Various American Standard Industry DataFree download of various US standard industry materialsFree download of various US standard industry materialsFree download of various US standard industry materialsFree download of various US standard industry materials2. The type test is carried out on the products that have passed the factory test. If one unit fails in the sampling, only one-time repair is allowed. If two units fail in one item, the batch of products is judged to be unqualified. 4
Standard replacement code
All kinds of standard industry materials in the West are free to download
7 Marking, packaging, transportation, storage and completeness 7.1 Marking
HG/T2152
Fix the nameplate at the appropriate position of the measuring instrument shell, and the nameplate shall indicate: manufacturer name or factory logo;
b., instrument name and model;
Main technical indicators;
d., manufacturer number;
Manufacture year and month:
7.2 Packaging
The packaging box should be firm to ensure normal transportation. It will not be damaged during loading and unloading, and can prevent wind, sand and rain from entering. 7.2.1
The text and logo on the outside of the packaging box should be clear and should not be blurred by the passage of time and rain. The content includes: 7.2.2.
Manufacturer name, test machine name, model and factory number; consignee and address;
Packaging box dimensions and gross weight; location marks of the box's center of gravity and lifting ropes; "upward", "precision instrument", "handle with care" and other words and patterns. 7.3 Transportation
The measuring instrument packaged in accordance with the requirements of Article 7.2.1 should be transported by common means of transportation, but rain, snow or mechanical collision should be avoided. 7.4 Storage
Store the measuring instrument The warehouse of the instrument should be dry and ventilated, and its environmental conditions are as follows: a.
Temperature: 10~35;
Relative humidity: less than 80% (20℃);
There should be no excessive dust, acid, alkali and other gases that may cause corrosion in the room, and no strong mechanical vibration, impact and strong electromagnetic 7.5 Completeness
The measuring instrument supplied as a complete set includes: main unit, constant rate titration device and supporting instruments. The following technical documents are provided with the measuring instrument: packing list;
Product factory certificate;
Installation and operation instructions,
"The random documents should be packed in a plastic bag and placed in the packaging box. Various standards industry materials free of charge
A Overview
HG/T215291
Appendix A
Calibration of the measuring instrument
(Supplement)
This measuring instrument uses a constant rate titration device to add DBP to the carbon black sample placed in the mixing chamber. As DBP increases, the mixture of carbon black and DBP changes from a free-flowing state to a semi-plastic mass, and the viscosity increases at the same time. It is transmitted to the torque sensor through the rotor. When the torque generated by the viscosity change reaches the set value, the constant rate titration device stops working and reaches the end point of the measurement A2 Instruments and materials required for the test
A3 Sample preparation
In a constant temperature drying oven at 125±3℃, dry the carbon black sample for 1h, and then cool it in a desiccator for at least half an hour. The dried carbon black sample can be stored in a desiccator for use. A4 Test conditions
Perform according to Article 4.1.
A5 Test steps
A5.1 First, calibrate the constant rate titration device, see Appendix B for details. A5.2
See Table A1 for the standard reference carbon black required for calibrating the measuring instrument. Table A1
Standard reference light black
A5.3 Sample amount
DBP absorption value, ml/100g
Weigh the dried carbon black sample (accurate to 0.02g) according to the carbon black type and sample amount listed in Table A2. Table A2
N630, N642 and N700 series, except N765 and N785 N800 and N900 series
All other types
A5.4 Determination
: A5.4.1 Place the carbon black sample in the mixing chamber, the sample is the most, g
A5.4.2 Start the tester, and then start the constant speed titration device. DBP is added dropwise to the carbon black sample placed in the mixing chamber. When the carbon black absorbs DBP, the free-flowing state of the mixture of carbon black and DBP becomes a semi-plastic mass, and the viscosity increases at the same time. The viscosity is transmitted to the torque sensor through the rotor. When the torque value generated by the viscosity change reaches the set value, the titration device stops working. The amount of DBP added can be read from the digital display or obtained in other ways. A5.4.3 Remove the mixing chamber and carefully clean the rotor and mixing chamber with a scraper. A5.4.4 Reinstall the mixing chamber.
A6 Expression of results
The carbon DBP absorption value D is expressed as the volume of DBP absorbed per 100g of carbon black. Calculate using formula (A1): D
Where: V--the volume of DBP used, ml; M--the amount of sample, g.
A7. Repeatability
The difference between the two test results shall not exceed 1.6mL/100g. Each standard carbon black shall be measured a sufficient number of times to obtain a stable value. If the difference between the two test results does not exceed 1.6mL/100g, the two results are considered reliable. After the analyzer is calibrated and adjusted, if the oil absorption value of the test standard carbon black still does not meet the requirements of Table A1, the measured value can be regressed using the least squares method to regress the measured value to the standard value. Another method is to make a curve between the measured value and the standard value and use a suitable equation or graph to correct the measured sample value.
Appendix B
Test of constant rate titration device
(Supplement)
B1 Overview
The constant rate titration device is an important part of the absorption value measurement system. If the titration device fails and cannot provide the specified amount of reagent to the carbon black sample, it will result in an erroneous absorption value reading. This appendix provides a method to calibrate the rate and accuracy of the titration device providing reagents.
B2 Reagent
DBP has a density of 1.045~1.050g/mL (25c). B3 Apparatus
Stopwatch;
Beaker: capacity 150mL;
Balance: accurate to 0.01g,
Plastic tube: able to resist DBP swelling.
B4 Operating Procedures
B4.1 Ensure that all seals and pipelines are in good condition. Fill the entire titration system with reagents and ensure that there is no air in the piping system. B4.2
When the titration device is full of reagents, put the stopcock in the output state until the output tube obtains a constant flow rate. B4.4 Stop the output tube from outputting reagents and set the digital counter to zero. B4.5 Place the weighed beaker (accurate to 0.01g) under the output tube and start the titration device and stopwatch at the same time.
When the timing reaches 2min, stop the titration and record the titration value. B4.7
Standard Search Network mm.btupec.ccm Various standard industry information free lower part B4.8 Weigh and record the mass of the output reagent. B4.9 Weight Fill the burette again,
HG/T2152-
B4.10 Change the time of B4.7 to 4min and 8min, repeat the operations of B4.3 to B4.9 B5 Evaluation of the calibration results
B5.1 Use formula (B1) to calculate the volume V of the output reagent, in mL M
Where: M is the mass of the output reagent, g
-reagent density, g/ml.
Qualified results
The deviation between the calculated reagent volume and the digitally recorded reading should be within the range of Table B1 Table B1
Additional notes:
This standard is proposed by China National Chemical Equipment Corporation. Allowable deviation,
This standard is under the jurisdiction of the Rubber Testing Instruments and Equipment Standardization Technical Committee of the Ministry of Chemical Industry. This standard was drafted by the Beijing Rubber Industry Research and Design Institute of the Ministry of Chemical Industry. The drafter of this standard is Qi Yuzhi.
Standards Grant Network mm.brrca.ccm(B1)
People's Republic of China
Chemical Industry Standards
Technical Conditions for Carbon Black DBP Absorption Tester
HG/T2152-91
Editor Chemical Industry Standards Editorial Department
(Institute of Standardization, Ministry of Chemical Industry)
Postal Code: 100013
Institute of Standardization, Ministry of Chemical Industry
Copyright reserved. No reproduction allowed
Format 880×12301/16 Sheet % Number of Words 16000First Edition July 1992
First Printing September 1992
Print Quantity—500
Standards Collection Network o.bzte.com. Free Download of Various American Standard Industry Data2. The type test is carried out on the products that have passed the factory test. If one unit fails in the sampling, only one-time repair is allowed. If two units fail in one item, the batch of products is judged to be unqualified. 4
Standard replacement code
All kinds of standard industry materials in the West are free to download
7 Marking, packaging, transportation, storage and completeness 7.1 Marking
HG/T2152
Fix the nameplate at the appropriate position of the measuring instrument shell, and the nameplate shall indicate: manufacturer name or factory logo;
b., instrument name and model;
Main technical indicators;
d., manufacturer number;
Manufacture year and month:
7.2 Packaging
The packaging box should be firm to ensure normal transportation. It will not be damaged during loading and unloading, and can prevent wind, sand and rain from entering. 7.2.1
The text and logo on the outside of the packaging box should be clear and should not be blurred by the passage of time and rain. The content includes: 7.2.2.
Manufacturer name, test machine name, model and factory number; consignee and address;
Packaging box dimensions and gross weight; location marks of the box's center of gravity and lifting ropes; "upward", "precision instrument", "handle with care" and other words and patterns. 7.3 Transportation
The measuring instrument packaged in accordance with the requirements of Article 7.2.1 should be transported by common means of transportation, but rain, snow or mechanical collision should be avoided. 7.4 Storage
Store the measuring instrument The warehouse of the instrument should be dry and ventilated, and its environmental conditions are as follows: a.
Temperature: 10~35;
Relative humidity: less than 80% (20℃);
There should be no excessive dust, acid, alkali and other gases that may cause corrosion in the room, and no strong mechanical vibration, impact and strong electromagnetic 7.5 Completeness
The measuring instrument supplied as a complete set includes: main unit, constant rate titration device and supporting instruments. The following technical documents are provided with the measuring instrument: packing list;
Product factory certificate;
Installation and operation instructions,
"The random documents should be packed in a plastic bag and placed in the packaging box. Various standards industry materials free of charge
A Overview
HG/T215291
Appendix A
Calibration of the measuring instrument
(Supplement) Www.bzxZ.net
This measuring instrument uses a constant rate titration device to add DBP to the carbon black sample placed in the mixing chamber. As DBP increases, the mixture of carbon black and DBP changes from a free-flowing state to a semi-plastic mass, and the viscosity increases at the same time. It is transmitted to the torque sensor through the rotor. When the torque generated by the viscosity change reaches the set value, the constant rate titration device stops working and reaches the end point of the measurement A2 Instruments and materials required for the test
A3 Sample preparation
In a constant temperature drying oven at 125±3℃, dry the carbon black sample for 1h, and then cool it in a desiccator for at least half an hour. The dried carbon black sample can be stored in a desiccator for use. A4 Test conditions
Perform according to Article 4.1.
A5 Test steps
A5.1 First, calibrate the constant rate titration device, see Appendix B for details. A5.2
See Table A1 for the standard reference carbon black required for calibrating the measuring instrument. Table A1
Standard reference light black
A5.3 Sample amount
DBP absorption value, ml/100g
Weigh the dried carbon black sample (accurate to 0.02g) according to the carbon black type and sample amount listed in Table A2. Table A2
N630, N642 and N700 series, except N765 and N785 N800 and N900 series
All other types
A5.4 Determination
: A5.4.1 Place the carbon black sample in the mixing chamber, the sample is the most, g
A5.4.2 Start the tester, and then start the constant speed titration device. DBP is added dropwise to the carbon black sample placed in the mixing chamber. When the carbon black absorbs DBP, the free-flowing state of the mixture of carbon black and DBP becomes a semi-plastic mass, and the viscosity increases at the same time. The viscosity is transmitted to the torque sensor through the rotor. When the torque value generated by the viscosity change reaches the set value, the titration device stops working. The amount of DBP added can be read from the digital display or obtained in other ways. A5.4.3 Remove the mixing chamber and carefully clean the rotor and mixing chamber with a scraper. A5.4.4 Reinstall the mixing chamber.
A6 Expression of results
The carbon DBP absorption value D is expressed as the volume of DBP absorbed per 100g of carbon black. Calculate using formula (A1): D
Where: V--the volume of DBP used, ml; M--the amount of sample, g.
A7. Repeatability
The difference between the two test results shall not exceed 1.6mL/100g. Each standard carbon black shall be measured a sufficient number of times to obtain a stable value. If the difference between the two test results does not exceed 1.6mL/100g, the two results are considered reliable. After the analyzer is calibrated and adjusted, if the oil absorption value of the test standard carbon black still does not meet the requirements of Table A1, the measured value can be regressed using the least squares method to regress the measured value to the standard value. Another method is to make a curve between the measured value and the standard value and use a suitable equation or graph to correct the measured sample value.
Appendix B
Test of constant rate titration device
(Supplement)
B1 Overview
The constant rate titration device is an important part of the absorption value measurement system. If the titration device fails and cannot provide the specified amount of reagent to the carbon black sample, it will result in an erroneous absorption value reading. This appendix provides a method to calibrate the rate and accuracy of the titration device providing reagents.
B2 Reagent
DBP has a density of 1.045~1.050g/mL (25c). B3 Apparatus
Stopwatch;
Beaker: capacity 150mL;
Balance: accurate to 0.01g,
Plastic tube: able to resist DBP swelling.
B4 Operating Procedures
B4.1 Ensure that all seals and pipelines are in good condition. Fill the entire titration system with reagents and ensure that there is no air in the piping system. B4.2
When the titration device is full of reagents, put the stopcock in the output state until the output tube obtains a constant flow rate. B4.4 Stop the output tube from outputting reagents and set the digital counter to zero. B4.5 Place the weighed beaker (accurate to 0.01g) under the output tube and start the titration device and stopwatch at the same time.
When the timing reaches 2min, stop the titration and record the titration value. B4.7
Standard Search Network mm.btupec.ccm Various standard industry information free lower part B4.8 Weigh and record the mass of the output reagent. B4.9 Weight Fill the burette again,
HG/T2152-
B4.10 Change the time of B4.7 to 4min and 8min, repeat the operations of B4.3 to B4.9 B5 Evaluation of the calibration results
B5.1 Use formula (B1) to calculate the volume V of the output reagent, in mL M
Where: M is the mass of the output reagent, g
-reagent density, g/ml.
Qualified results
The deviation between the calculated reagent volume and the digitally recorded reading should be within the range of Table B1 Table B1
Additional notes:
This standard is proposed by China National Chemical Equipment Corporation. Allowable deviation,
This standard is under the jurisdiction of the Rubber Testing Instruments and Equipment Standardization Technical Committee of the Ministry of Chemical Industry. This standard was drafted by the Beijing Rubber Industry Research and Design Institute of the Ministry of Chemical Industry. The drafter of this standard is Qi Yuzhi.
Standards Grant Network mm.brrca.ccm(B1)
People's Republic of China
Chemical Industry Standards
Technical Conditions for Carbon Black DBP Absorption Tester
HG/T2152-91
Editor Chemical Industry Standards Editorial Department
(Institute of Standardization, Ministry of Chemical Industry)
Postal Code: 100013
Institute of Standardization, Ministry of Chemical Industry
Copyright reserved. No reproduction allowed
Format 880×12301/16 Sheet % Number of Words 16000First Edition July 1992
First Printing September 1992
Print Quantity—500
Standards Collection Network o.bzte.com. Free Download of Various American Standard Industry Data1 Marking
HG/T2152
Fix a nameplate at an appropriate position on the outer shell of the measuring instrument, and indicate on the nameplate: manufacturer name or factory logo;
b., instrument name and model;
main technical indicators;
d., manufacturer number;
year and month of manufacture:
7.2 Packaging
The packaging box should be firm to ensure normal transportation. It will not be damaged during loading and unloading, and can prevent the intrusion of wind, sand and rain. 7.2.1
The text and logo on the outside of the packaging box should be clear and should not be blurred by the passage of time and rain. The content includes: 7.2.2.
Manufacturer name, test machine name, model and factory number; consignee and address;
Packaging box dimensions and gross weight; location marks of the box's center of gravity and lifting ropes; "upward", "precision instrument", "handle with care" and other words and patterns. 7.3 Transportation
The measuring instrument packaged in accordance with the requirements of Article 7.2.1 should be transported by common means of transportation, but rain, snow or mechanical collision should be avoided. 7.4 Storage
Store the measuring instrument The warehouse of the instrument should be dry and ventilated, and its environmental conditions are as follows: a.
Temperature: 10~35;
Relative humidity: less than 80% (20℃);
There should be no excessive dust, acid, alkali and other gases that may cause corrosion in the room, and no strong mechanical vibration, impact and strong electromagnetic 7.5 Completeness
The measuring instrument supplied as a complete set includes: main unit, constant rate titration device and supporting instruments. The following technical documents are provided with the measuring instrument: packing list;
Product factory certificate;
Installation and operation instructions,
"The random documents should be packed in a plastic bag and placed in the packaging box. Various standards industry materials free of charge
A Overview
HG/T215291
Appendix A
Calibration of the measuring instrument
(Supplement)
This measuring instrument uses a constant rate titration device to add DBP to the carbon black sample placed in the mixing chamber. As DBP increases, the mixture of carbon black and DBP changes from a free-flowing state to a semi-plastic mass, and the viscosity increases at the same time. It is transmitted to the torque sensor through the rotor. When the torque generated by the viscosity change reaches the set value, the constant rate titration device stops working and reaches the end point of the measurement A2 Instruments and materials required for the test
A3 Sample preparation
In a constant temperature drying oven at 125±3℃, dry the carbon black sample for 1h, and then cool it in a desiccator for at least half an hour. The dried carbon black sample can be stored in a desiccator for use. A4 Test conditions
Perform according to Article 4.1.
A5 Test steps
A5.1 First, calibrate the constant rate titration device, see Appendix B for details. A5.2
See Table A1 for the standard reference carbon black required for calibrating the measuring instrument. Table A1
Standard reference light black
A5.3 Sample amount
DBP absorption value, ml/100g
Weigh the dried carbon black sample (accurate to 0.02g) according to the carbon black type and sample amount listed in Table A2. Table A2
N630, N642 and N700 series, except N765 and N785 N800 and N900 series
All other types
A5.4 Determination
: A5.4.1 Place the carbon black sample in the mixing chamber, the sample is the most, g
A5.4.2 Start the tester, and then start the constant speed titration device. DBP is added dropwise to the carbon black sample placed in the mixing chamber. When the carbon black absorbs DBP, the free-flowing state of the mixture of carbon black and DBP becomes a semi-plastic mass, and the viscosity increases at the same time. The viscosity is transmitted to the torque sensor through the rotor. When the torque value generated by the viscosity change reaches the set value, the titration device stops working. The amount of DBP added can be read from the digital display or obtained in other ways. A5.4.3 Remove the mixing chamber and carefully clean the rotor and mixing chamber with a scraper. A5.4.4 Reinstall the mixing chamber.
A6 Expression of results
The carbon DBP absorption value D is expressed as the volume of DBP absorbed per 100g of carbon black. Calculate using formula (A1): D
Where: V--the volume of DBP used, ml; M--the amount of sample, g.
A7. Repeatability
The difference between the two test results shall not exceed 1.6mL/100g. Each standard carbon black shall be measured a sufficient number of times to obtain a stable value. If the difference between the two test results does not exceed 1.6mL/100g, the two results are considered reliable. After the analyzer is calibrated and adjusted, if the oil absorption value of the test standard carbon black still does not meet the requirements of Table A1, the measured value can be regressed using the least squares method to regress the measured value to the standard value. Another method is to draw a curve between the measured value and the standard value and use a suitable equation or graph to correct the measured sample value.
Appendix B
Test of constant rate titration device
(Supplement)
B1 Overview
The constant rate titration device is an important part of the absorption value measurement system. If the titration device fails and cannot provide the specified amount of reagent to the carbon black sample, it will result in an erroneous absorption value reading. This appendix provides a method to calibrate the rate and accuracy of the titration device providing reagents.
B2 Reagent
DBP has a density of 1.045~1.050g/mL (25c). B3 Apparatus
Stopwatch;
Beaker: capacity 150mL;
Balance: accurate to 0.01g,
Plastic tube: able to resist DBP swelling.
B4 Operating Procedures
B4.1 Ensure that all seals and pipelines are in good condition. Fill the entire titration system with reagents and ensure that there is no air in the piping system. B4.2
When the titration device is full of reagents, put the stopcock in the output state until the output tube obtains a constant flow rate. B4.4 Stop the output tube from outputting reagents and set the digital counter to zero. B4.5 Place the weighed beaker (accurate to 0.01g) under the output tube and start the titration device and stopwatch at the same time.
When the timing reaches 2min, stop the titration and record the titration value. B4.7
Standard Search Exchange Network mm.btupec.ccm Various Standard Industry Information Free Lower Part B4.8 Weigh and record the mass of the output reagent. B4.9 Weight Fill the burette again,
HG/T2152-
B4.10 Change the time of B4.7 to 4min and 8min, repeat the operations of B4.3 to B4.9 B5 Evaluation of the calibration results
B5.1 Use formula (B1) to calculate the volume V of the output reagent, in mL M
Where: M is the mass of the output reagent, g
-reagent density, g/ml.
Qualified results
The deviation between the calculated reagent volume and the digitally recorded reading should be within the range of Table B1 Table B1
Additional notes:
This standard is proposed by China National Chemical Equipment Corporation. Allowable deviation,
This standard is under the jurisdiction of the Rubber Testing Instruments and Equipment Standardization Technical Committee of the Ministry of Chemical Industry. This standard was drafted by the Beijing Rubber Industry Research and Design Institute of the Ministry of Chemical Industry. The drafter of this standard is Qi Yuzhi.
Standards Grant Network mm.brrca.ccm(B1)
People's Republic of China
Chemical Industry Standards
Technical Conditions for Carbon Black DBP Absorption Tester
HG/T2152-91
Editor Chemical Industry Standards Editorial Department
(Standardization Research Institute of Ministry of Chemical Industry)
Postal Code: 100013
Indian Standardization Research Institute of Ministry of Chemical Industry
Copyright reserved. No reproduction allowed
Format 880×12301/16 Sheet% Number of Words 16000First Edition July 1992
First Printing September 1992
Print Quantity—500
Standards Collection Network o.bzte.com. Free Download of Various American Standard Industry Data1 Marking
HG/T2152
Fix a nameplate at an appropriate position on the outer shell of the measuring instrument, and indicate on the nameplate: manufacturer name or factory logo;
b., instrument name and model;
main technical indicators;
d., manufacturer number;
year and month of manufacture:
7.2 Packaging
The packaging box should be firm to ensure normal transportation. It will not be damaged during loading and unloading, and can prevent the intrusion of wind, sand and rain. 7.2.1
The text and logo on the outside of the packaging box should be clear and should not be blurred by the passage of time and rain. The content includes: 7.2.2.
Manufacturer name, test machine name, model and factory number; consignee and address;
Packaging box dimensions and gross weight; location marks of the box's center of gravity and lifting ropes; "upward", "precision instrument", "handle with care" and other words and patterns. 7.3 Transportation
The measuring instrument packaged in accordance with the requirements of Article 7.2.1 should be transported by common means of transportation, but rain, snow or mechanical collision should be avoided. 7.4 Storage
Store the measuring instrument The warehouse of the instrument should be dry and ventilated, and its environmental conditions are as follows: a.
Temperature: 10~35;
Relative humidity: less than 80% (20℃);
There should be no excessive dust, acid, alkali and other gases that may cause corrosion in the room, and no strong mechanical vibration, impact and strong electromagnetic 7.5 Completeness
The measuring instrument supplied as a complete set includes: main unit, constant rate titration device and supporting instruments. The following technical documents are provided with the measuring instrument: packing list;
Product factory certificate;
Installation and operation instructions,
"The random documents should be packed in a plastic bag and placed in the packaging box. Various standards industry materials free of charge
A Overview
HG/T215291
Appendix A
Calibration of the measuring instrument
(Supplement)
This measuring instrument uses a constant rate titration device to add DBP to the carbon black sample placed in the mixing chamber. As DBP increases, the mixture of carbon black and DBP changes from a free-flowing state to a semi-plastic mass, and the viscosity increases at the same time. It is transmitted to the torque sensor through the rotor. When the torque generated by the viscosity change reaches the set value, the constant rate titration device stops working and reaches the end point of the measurement A2 Instruments and materials required for the test
A3 Sample preparation
In a constant temperature drying oven at 125±3℃, dry the carbon black sample for 1h, and then cool it in a desiccator for at least half an hour. The dried carbon black sample can be stored in a desiccator for use. A4 Test conditions
Perform according to Article 4.1.
A5 Test steps
A5.1 First, calibrate the constant rate titration device, see Appendix B for details. A5.2
See Table A1 for the standard reference carbon black required for calibrating the measuring instrument. Table A1
Standard reference light black
A5.3 Sample amount
DBP absorption value, ml/100g
Weigh the dried carbon black sample (accurate to 0.02g) according to the carbon black type and sample amount listed in Table A2. Table A2
N630, N642 and N700 series, except N765 and N785 N800 and N900 series
All other types
A5.4 Determination
: A5.4.1 Place the carbon black sample in the mixing chamber, the sample is the most, g
A5.4.2 Start the tester, and then start the constant speed titration device. DBP is added dropwise to the carbon black sample placed in the mixing chamber. When the carbon black absorbs DBP, the free-flowing state of the mixture of carbon black and DBP becomes a semi-plastic mass, and the viscosity increases at the same time. The viscosity is transmitted to the torque sensor through the rotor. When the torque value generated by the viscosity change reaches the set value, the titration device stops working. The amount of DBP added can be read from the digital display or obtained in other ways. A5.4.3 Remove the mixing chamber and carefully clean the rotor and mixing chamber with a scraper. A5.4.4 Reinstall the mixing chamber.
A6 Expression of results
The carbon DBP absorption value D is expressed as the volume of DBP absorbed per 100g of carbon black. Calculate using formula (A1): D
Where: V--the volume of DBP used, ml; M--the amount of sample, g.
A7. Repeatability
The difference between the two test results shall not exceed 1.6mL/100g. Each standard carbon black shall be measured a sufficient number of times to obtain a stable value. If the difference between the two test results does not exceed 1.6mL/100g, the two results are considered reliable. After the analyzer is calibrated and adjusted, if the oil absorption value of the test standard carbon black still does not meet the requirements of Table A1, the measured value can be regressed using the least squares method to regress the measured value to the standard value. Another method is to make a curve between the measured value and the standard value and use a suitable equation or graph to correct the measured sample value.
Appendix B
Test of constant rate titration device
(Supplement)
B1 Overview
The constant rate titration device is an important part of the absorption value measurement system. If the titration device fails and cannot provide the specified amount of reagent to the carbon black sample, it will result in an erroneous absorption value reading. This appendix provides a method to calibrate the rate and accuracy of the titration device providing reagents.
B2 Reagent
DBP has a density of 1.045~1.050g/mL (25c). B3 Apparatus
Stopwatch;
Beaker: capacity 150mL;
Balance: accurate to 0.01g,
Plastic tube: able to resist DBP swelling.
B4 Operating Procedures
B4.1 Ensure that all seals and pipelines are in good condition. Fill the entire titration system with reagents and ensure that there is no air in the piping system. B4.2
When the titration device is full of reagents, put the stopcock in the output state until the output tube obtains a constant flow rate. B4.4 Stop the output tube from outputting reagents and set the digital counter to zero. B4.5 Place the weighed beaker (accurate to 0.01g) under the output tube and start the titration device and stopwatch at the same time.
When the timing reaches 2min, stop the titration and record the titration value. B4.7
Standard Search Network mm.btupec.ccm Various standard industry information free lower part B4.8 Weigh and record the mass of the output reagent. B4.9 Weight Fill the burette again,
HG/T2152-
B4.10 Change the time of B4.7 to 4min and 8min, repeat the operations of B4.3 to B4.9 B5 Evaluation of the calibration results
B5.1 Calculate the volume V of the output reagent by formula (B1), in mL M
Where: M is the mass of the output reagent, g
-reagent density, g/ml.
Qualified results
The deviation between the calculated reagent volume and the digitally recorded reading should be within the range of Table B1 Table B1
Additional notes:
This standard is proposed by China National Chemical Equipment Corporation. Allowable deviation,
This standard is under the jurisdiction of the Rubber Testing Instruments and Equipment Standardization Technical Committee of the Ministry of Chemical Industry. This standard was drafted by the Beijing Rubber Industry Research and Design Institute of the Ministry of Chemical Industry. The drafter of this standard is Qi Yuzhi.
Standards Grant Network mm.brrca.ccm(B1)
People's Republic of China
Chemical Industry Standards
Technical Conditions for Carbon Black DBP Absorption Tester
HG/T2152-91
Editor Chemical Industry Standards Editorial Department
(Institute of Standardization, Ministry of Chemical Industry)
Postal Code: 100013
Institute of Standardization, Ministry of Chemical Industry
Copyright reserved. No reproduction allowed
Format 880×12301/16 Sheet % Number of Words 16000First Edition July 1992
First Printing September 1992
Print Quantity|—500
Standards Collection Network o.bzte.com. Free Download of Various American Standard Industry Data
Manufacturer name, test machine name, model and factory number; consignee and address;
Packing box dimensions and gross weight; location marks of box center of gravity and lifting rope; words and pictures such as "upward", "precision instrument", "handle with care". 7.3 Transportation
The measuring instrument packaged according to the requirements of Article 7.2.1 shall be transported by common means of transportation, but rain, snow and mechanical collision shall be avoided. 7.4 Storage
The warehouse for storing the measuring instrument shall be dry and ventilated, and the environmental conditions shall be as follows: a.
Temperature: 10~35;
Relative humidity: less than 80% (20℃);
No excessive dust, acid, alkali and other gases that may cause corrosion in the room, and no strong mechanical vibration, impact and strong electromagnetic 7.5 Completeness
The measuring instrument supplied as a complete set includes: main unit, constant rate titration device and supporting instruments. The following technical documents are provided with the measuring instrument: packing list;
Product factory certificate:
Installation and operation instructions,
"The random documents should be put into a plastic bag and placed in the packaging box. Various standards industry materials free of charge
A Overview
HG/T215291
Appendix A
Calibration of the measuring instrument
(Supplement)
This measuring instrument uses a constant rate titration device to add DBP to the carbon black sample placed in the mixing chamber. As DBP increases, the mixture of carbon black and DBP changes from a free-flowing state to a semi-plastic mass, and the viscosity increases at the same time. It is transmitted to the torque sensor through the rotor. When the torque generated by the viscosity change reaches the set value, the constant rate titration device stops working and reaches the end point of the measurement A2 Instruments and materials required for the test
A3 Sample preparation
In a constant temperature drying oven at 125±3℃, dry the carbon black sample for 1h, and then cool it in a desiccator for at least half an hour. The dried carbon black sample can be stored in a desiccator for use. A4 Test conditions
Perform according to Article 4.1.
A5 Test steps
A5.1 First, calibrate the constant rate titration device, see Appendix B for details. A5.2
See Table A1 for the standard reference carbon black required for calibrating the measuring instrument. Table A1
Standard reference light black
A5.3 Sample amount
DBP absorption value, ml/100g
Weigh the dried carbon black sample (accurate to 0.02g) according to the carbon black type and sample amount listed in Table A2. Table A2
N630, N642 and N700 series, except N765 and N785 N800 and N900 series
All other types
A5.4 Determination
: A5.4.1 Place the carbon black sample in the mixing chamber, the sample is the most, g
A5.4.2 Start the tester, and then start the constant speed titration device. DBP is added dropwise to the carbon black sample placed in the mixing chamber. When the carbon black absorbs DBP, the free-flowing state of the mixture of carbon black and DBP becomes a semi-plastic mass, and the viscosity increases at the same time. The viscosity is transmitted to the torque sensor through the rotor. When the torque value generated by the viscosity change reaches the set value, the titration device stops working. The amount of DBP added can be read from the digital display or obtained in other ways. A5.4.3 Remove the mixing chamber and carefully clean the rotor and mixing chamber with a scraper. A5.4.4 Reinstall the mixing chamber.
A6 Expression of results
The carbon DBP absorption value D is expressed as the volume of DBP absorbed per 100g of carbon black. Calculate using formula (A1): D
Where: V--the volume of DBP used, ml; M--the amount of sample, g.
A7. Repeatability
The difference between the two test results shall not exceed 1.6mL/100g. Each standard carbon black shall be measured a sufficient number of times to obtain a stable value. If the difference between the two test results does not exceed 1.6mL/100g, the two results are considered reliable. After the analyzer is calibrated and adjusted, if the oil absorption value of the test standard carbon black still does not meet the requirements of Table A1, the measured value can be regressed using the least squares method to regress the measured value to the standard value. Another method is to make a curve between the measured value and the standard value and use a suitable equation or graph to correct the measured sample value.
Appendix B
Test of constant rate titration device
(Supplement)
B1 Overview
The constant rate titration device is an important part of the absorption value measurement system. If the titration device fails and cannot provide the specified amount of reagent to the carbon black sample, it will result in an erroneous absorption value reading. This appendix provides a method to calibrate the rate and accuracy of the titration device providing reagents.
B2 Reagent
DBP has a density of 1.045~1.050g/mL (25c). B3 Apparatus
Stopwatch;
Beaker: capacity 150mL;
Balance: accurate to 0.01g,
Plastic tube: able to resist DBP swelling.
B4 Operating Procedures
B4.1 Ensure that all seals and pipelines are in good condition. Fill the entire titration system with reagents and ensure that there is no air in the piping system. B4.2
When the titration device is full of reagents, put the stopcock in the output state until the output tube obtains a constant flow rate. B4.4 Stop the output tube from outputting reagents and set the digital counter to zero. B4.5 Place the weighed beaker (accurate to 0.01g) under the output tube and start the titration device and stopwatch at the same time.
When the timing reaches 2min, stop the titration and record the titration value. B4.7
Standard Search Network mm.btupec.ccm Various standard industry information free lower part B4.8 Weigh and record the mass of the output reagent. B4.9 Weight Fill the burette again,
HG/T2152-
B4.10 Change the time of B4.7 to 4min and 8min, repeat the operations of B4.3 to B4.9 B5 Evaluation of the calibration results
B5.1 Calculate the volume V of the output reagent by formula (B1), in mL M
Where: M is the mass of the output reagent, g
-reagent density, g/ml.
Qualified results
The deviation between the calculated reagent volume and the digitally recorded reading should be within the range of Table B1 Table B1
Additional notes:
This standard is proposed by China National Chemical Equipment Corporation. Allowable deviation,
This standard is under the jurisdiction of the Rubber Testing Instruments and Equipment Standardization Technical Committee of the Ministry of Chemical Industry. This standard was drafted by the Beijing Rubber Industry Research and Design Institute of the Ministry of Chemical Industry. The drafter of this standard is Qi Yuzhi.
Standards Grant Network mm.brrca.ccm(B1)
People's Republic of China
Chemical Industry Standards
Technical Conditions for Carbon Black DBP Absorption Tester
HG/T2152-91
Editor Chemical Industry Standards Editorial Department
(Institute of Standardization, Ministry of Chemical Industry)
Postal Code: 100013
Institute of Standardization, Ministry of Chemical Industry
Copyright reserved. No reproduction allowed
Format 880×12301/16 Sheet % Number of Words 16000First Edition July 1992
First Printing September 1992
Print Quantity|—500
Standards Collection Network o.bzte.com. Free Download of Various American Standard Industry Data
Manufacturer name, test machine name, model and factory number; consignee and address;
Packing box dimensions and gross weight; location marks of box center of gravity and lifting rope; words and pictures such as "upward", "precision instrument", "handle with care". 7.3 Transportation
The measuring instrument packaged according to the requirements of Article 7.2.1 shall be transported by common means of transportation, but rain, snow and mechanical collision shall be avoided. 7.4 Storage
The warehouse for storing the measuring instrument shall be dry and ventilated, and the environmental conditions shall be as follows: a.
Temperature: 10~35;
Relative humidity: less than 80% (20℃);
No excessive dust, acid, alkali and other gases that may cause corrosion in the room, and no strong mechanical vibration, impact and strong electromagnetic 7.5 Completeness
The measuring instrument supplied as a complete set includes: main unit, constant rate titration device and supporting instruments. The following technical documents are provided with the measuring instrument: packing list;
Product factory certificate:
Installation and operation instructions,
"The random documents should be put into a plastic bag and placed in the packaging box. Various standards industry materials free of charge
A Overview
HG/T215291
Appendix A
Calibration of the measuring instrument
(Supplement)
This measuring instrument uses a constant rate titration device to add DBP to the carbon black sample placed in the mixing chamber. As DBP increases, the mixture of carbon black and DBP changes from a free-flowing state to a semi-plastic mass, and the viscosity increases at the same time. It is transmitted to the torque sensor through the rotor. When the torque generated by the viscosity change reaches the set value, the constant rate titration device stops working and reaches the end point of the measurement A2 Instruments and materials required for the test
A3 Sample preparation
In a constant temperature drying oven at 125±3℃, dry the carbon black sample for 1h, and then cool it in a desiccator for at least half an hour. The dried carbon black sample can be stored in a desiccator for use. A4 Test conditions
Perform according to Article 4.1.
A5 Test steps
A5.1 First, calibrate the constant rate titration device, see Appendix B for details. A5.2
See Table A1 for the standard reference carbon black required for calibrating the measuring instrument. Table A1
Standard reference light black
A5.3 Sample amount
DBP absorption value, ml/100g
Weigh the dried carbon black sample (accurate to 0.02g) according to the carbon black type and sample amount listed in Table A2. Table A2
N630, N642 and N700 series, except N765 and N785 N800 and N900 series
All other types
A5
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