Some standard content:
National Standard of the People's Republic of China
Acrylonitrile-butadiene-styrene (ABS) resin Acrylonitrile-butadiene-styrene (ABs) resin subject content and scope of application
GB 12672---90|| tt||This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements for acrylonitrile-butadiene-styrene (ABS) resin.
This standard applies to polybutadiene elastomer as the dispersed phase and acrylic wax-styrene (or its derivatives) copolymer as the continuous phase; or the continuous phase contains less than 5% of other copolymerized monomers. Body and polymer ABS resin. This standard does not apply to reinforced or modified ABS materials. 2 Reference standards
Softening point (Vicat) test method for thermoplastics GB1633
Plastic Izod impact test method
GB1843
GB2547
GB2918|| tt||Plastic resin sampling method
Standard environment for conditioning and testing of plastic specimens GB3682
Test method for melt flow rate of thermoplastics GB9342
Test method for Rockwell hardness of plastics|| tt || ZB G31 001 | It should be 2~5mm in any direction, and no mechanical impurities are allowed to be entrained. 3.2 Each brand of ABS resin is divided into three levels: superior product, first-class product and qualified product. Its quality indicators should meet the requirements of Table 1. State Bureau of Technical Supervision approved the consultation fee on December 30, 1990
Implemented on 1991-10-01
313
GB12672--90
4||tt ||076
8
0\b
o1
009*
06
0°96
0 ~0
one
5
0.98
0·26
S
o
008||tt| |09
08# *
0
0'06
~
Youyi
-
008| |tt||088
-
02
→
02-
o.
0*06
agt
r&
026
9'~g
一
游24
[9 1-91-80-680\ na'1-g T-098-80-960\Nx'1-S82-990-80-960N1-S8V
-
026
No.
Fo
S
08
o1z
8
&-
一
0*96
202-t-
-S60*NX\T-SV
1
E
921
-
co||tt ||-
961
0°28 *
F
08
059
026
No.|| tt||06
level
0*96
*,
note
-
-
00n| |tt||*
o
0°99
0'26
o'6
096
~||tt ||gui
电
楼
oo
（
A
po
A
A
g's
A
wu ge 9
A
A
A
A
Degree
Sense
False
4
3
()
2
01/#||tt| |1
since
serial number
00190
s209
1-91-960*NO*T-SV
我| |tt||brand
label
314
4 test methods
4.1 Drying of laboratory samples
GB 12672--90||tt| |ABS granules should be spread into a thickness of less than 3cm in a blast drying oven and dried at 80±5°C for 2 to 3 hours. 4.2 Sample preparation
adopts one-time injection molding. The surface of the sample should be smooth, without bubbles, delamination, obvious impurities and processing damage. The molding conditions are as follows: a.
Resin melt temperature: The melt temperature of each grade of ABS resin is shown in Table 2. Table 2
ABS resin grade
ABS-1,GN,095-15-150-2. 5
ABS-1,GN,095-15-150-2|| tt||ABS-1,XN,095-15-250-2
ABS-1,XN, 095-08-350-1. 5
ABS-1,EN,083-08 -150-1. 5
ABS-1,MN,095-08-065-2
Injection pressure (gauge pressure): Ss+(0.2～1.0)MPa;b.||tt| |Note: SS is the minimum injection pressure at which resin fills the mold cavity, measured in MP&. Mold temperature: 60±5℃.
c.
4.3 Standard ambient melt temperature for specimen condition conditioning and testing, ℃
230±10
220±10
260± 10 | | tt | | 240 ± 10 | | tt | | 220 ± 10 | | tt | The state adjustment time is at least 16h.
4.4 Melt flow rate measurement
4.4.1 Sample
The ABS resin pellets shall be dried according to the provisions of 4.1. 4.4.2 Test
shall be carried out in accordance with the provisions of GB3682, using standard test conditions (200℃, 5kg). 4.5 Determination of softening point (Vicat)
4.5.1 Sample
According to the provisions of 4.2, make a sample with a length and width of not less than 10mm and a thickness of 3~~6mm. 4.5.2 Test conditions
Heating rate: 5±0.5℃/6min;
a.
b. Test load: 5 000+5°8.
4.5.3 Test
Conducted in accordance with GB1633.
4.6
Determination of bending strength and flexural elastic modulus 4.6.1
Sample
According to the provisions of 4.2, make it 127mm long, 12.7mm wide and 12.7mm thick 6.4mm specimen. 4.6.2 Test conditions
a.
b.
c.
Indenter radius: 5.0±0.1mm
Support span: 100± 0.5mm;
Test speed: 2.8mm/min.
315
Standard search
Download accurate industry information for free
4.6.3 test
a.
b.|| tt||d.
e.
4.6.4
8.
GB 12672
90
Measure the center of the sample width and thickness, accurate to 0.03mm; adjust the span of the support to 1 mm;
Adjust the instrument so that the crosshead movement speed reaches the specified value; the indenter and the sample should be in line contact, and ensure that the contact line is perpendicular to the width of the sample in the length direction of the specimen; start the testing machine, load the specimen, record the load when the specimen reaches yield and draw the load-deflection curve. Measurement results and processing
The bending yield strength is calculated according to formula (1):
3p
2 bh2
where:
p||tt| |Bending yield strength, MPa;
Bending yield load borne by the specimen, N; L -
Span, mm;
Specimen width, mm;
h
Sample thickness, mm.
(1)
One group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples. Take Three significant figures.
b.
The bending elastic modulus is calculated from the initial linear part of the load-deflection curve according to equation (2): where. E+ bending elastic modulus, GPa.
L
span, mm;
- specimen width, mm;
6
h - specimen Thickness, mm;
·+
L3
E
The load at a selected point on the linear part of the load-deflection curve, N; - corresponds to the load Deflection, mm.
(2)
A group of samples should be prepared for each batch of materials, and each group should have no less than 5 samples. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples. Three significant figures.
4.7 Determination of tensile strength
4.7.1 Sample
The sample shall be made according to the provisions of 4.2. The shape and size of the sample are shown in the figure below and Table 3. o
G
H
Tensile yield strength specimen shape and size diagram 316
Standard search
Quasi consultation color fish fee|| tt||symbol
b
C
W
L
name
name
parallel part width|| tt||Parallel part length
End width
Total
Test conditions
4. 7. 2
a.
b .
4.7.3
Electricity.
Length
Distance between clamps: 115±5mm;
Stretching speed: 5mm/min.
Test
GB72672—90
Table 3Www.bzxZ.net
Dimensions, mm
13±0.5
57±0.5
19+
≥165
symbol
G
H
R
d
name
Said
gauge length (or effective part)
distance between fixtures
radius of curvature
thickness
degree
size, mm|| tt||50±0.25
115±5
76±1
3.2±0.4
Measure three pieces within the gauge length of the specimen using a suitable micrometer The width and thickness of the points are accurate to 0.025mm, and their arithmetic averages are calculated respectively;
b.
Install the sample in the fixture of the testing machine, and align the vertical axis of the sample with the upper and lower The center lines of the clamps coincide with each other, tighten the clamps, and clamp the sample with appropriate tightness (to prevent slipping or breaking during the test); start the instrument at the specified test speed to conduct the tensile test, c
d. Record the load while the specimen is in service.
Measurement results and processing
4.7.4
The tensile yield strength is calculated according to formula (3):
g
where: .sample Tensile yield strength, MPa; P
Load when the sample yields, N,
b—sample width, mm
d—sample thickness, mm.
(3)
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, taken Three significant figures.
4. 8 Determination of cantilever dye impact strength
4.8.1 Sample
According to the provisions of 4.2, make it 63.5mm long, 6.35mm wide (or 3.18mm), and 12.7+g thick .15mm specimen, notched by mechanical processing.
4.8.2 Test conditions
The cold box temperature when measuring low-temperature impact strength is -40℃. 4.8.3 Test
shall be carried out according to GB1843.
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, with three significant figures.
4.9 Rockwell hardness determination
4.9.1 Sample
Prepare the sample according to the provisions of 4.2.
4.9.2 Test
Conducted according to GB9342, using R scale.
317
.1
Free download of standard industry information
5 inspection rules
5.1 Sampling
GB 12672-90||tt ||ABS resin products can be divided into batches according to production uniformity, and random sampling should be used for the same batch of products. The sampling volume of each batch shall not be less than 5kg. 5.2 Inspection and grading
The factory products shall be inspected by the quality inspection department of the manufacturer in accordance with the test methods specified in this standard. The quality grade of the product shall be determined based on the inspection results and technical requirements, and a quality certificate shall be submitted. 5.3 Re-inspection
If the inspection results indicate that an item does not meet the requirements of this standard, samples should be re-sampled from twice the packaging units and the item should be re-inspected. If the re-inspection results still do not meet the standards, the batch of products should be classified Should be downgraded. 5.4 Acceptance
Users can conduct acceptance according to the tree brand number and the technical requirements specified in this standard. Any objections must be submitted to the manufacturer within the year of delivery of the product.
6 Logo, Packaging, Transportation and Storage
6.1 Logo
The packaging bag should be printed with the manufacturer's name, product name, trademark, product grade, batch number, net weight and production date. 6.2 Packaging
ABS resin is packaged in a polyethylene woven composite bag or a polyene woven bag with a polyethylene film inside, or it is packaged in a container with the same packaging effect. The packaging seal should ensure that the product is not contaminated. The packaging must be moisture-proof and bio-proof. The net weight of each bag is 25k. 6.3 Transportation
ABS resin is a non-dangerous product. It is strictly forbidden to use sharp tools such as iron hooks during loading and unloading. Do not throw them to avoid damaging the packaging bags. During transportation, they must not be exposed to the sun or rain. They must not be mixed with sand, soil, broken metal, coal, etc., and must not be mixed with toxic and corrosive materials. , mixed flammable materials. 6.4 Snake storage
ABS resin should be stored in a warehouse that is ventilated, dry, sun-proof, away from fire sources and kept clean with good fire-fighting facilities. Additional notes:
This standard is proposed by China Petrochemical Corporation. This standard is under the jurisdiction of the Petrochemical Plastic Resin Products Sub-Technical Committee of the National Plastics Standardization Technical Committee. This standard is drafted by Lanzhou Chemical Industry Company Synthetic Rubber Factory. The main drafters of this standard are Wang Juan, Zhou Duru, and Yu Zhong. 318
mm;
·+
L3
E
The load at a selected point on the linear part of the load-deflection curve, N; - the deflection corresponding to the load ,mm.
(2)
A group of samples should be prepared for each batch of materials, and each group should have no less than 5 samples. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples. Three significant figures.
4.7 Determination of tensile strength
4.7.1 Sample
The sample shall be made according to the provisions of 4.2. The shape and size of the sample are shown in the figure below and Table 3. o
G
H
Tensile yield strength specimen shape and size diagram 316
Standard search
Quasi consultation color fish fee|| tt||symbol
b
C
W
L
name
name
parallel part width|| tt||Parallel part length
End width
Total
Test conditions
4. 7. 2
a.
b .
4.7.3
Electricity.
Length
Distance between clamps: 115±5mm;
Stretching speed: 5mm/min.
Test
GB72672—90
Table 3
Dimensions, mm
13±0.5
57±0.5
19+
≥165
symbol
G
H
R
d
name
Said
gauge length (or effective part)
distance between fixtures
radius of curvature
thickness
degree
size, mm|| tt||50±0.25
115±5
76±1
3.2±0.4
Measure three pieces within the gauge length of the specimen using a suitable micrometer The width and thickness of the points are accurate to 0.025mm, and their arithmetic averages are calculated respectively;
b.
Install the sample in the fixture of the testing machine, and align the vertical axis of the sample with the upper and lower The center lines of the clamps coincide with each other, tighten the clamps, and clamp the sample with appropriate tightness (to prevent slipping or breaking during the test); start the instrument at the specified test speed to conduct the tensile test, c
d. Record the load while the specimen is in service.
Measurement results and processing
4.7.4
The tensile yield strength is calculated according to formula (3):
g
where: .sample Tensile yield strength, MPa; P
Load when the sample yields, N,
b—sample width, mm
d—sample thickness, mm.
(3)
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, taken Three significant figures.
4. 8 Determination of cantilever dye impact strength
4.8.1 Sample
According to the provisions of 4.2, make it 63.5mm long, 6.35mm wide (or 3.18mm), and 12.7+g thick .15mm specimen, notched by mechanical processing.
4.8.2 Test conditions
The cold box temperature when measuring low-temperature impact strength is -40℃. 4.8.3 Test
shall be carried out according to GB1843.
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, with three significant figures.
4.9 Rockwell hardness determination
4.9.1 Sample
Prepare the sample according to the provisions of 4.2.
4.9.2 Test
Conducted according to GB9342, using R scale.
317
.1
Free download of standard industry information
5 inspection rules
5.1 Sampling
GB 12672-90||tt ||ABS resin products can be divided into batches according to production uniformity, and random sampling should be used for the same batch of products. The sampling volume of each batch shall not be less than 5kg. 5.2 Inspection and grading
The factory products shall be inspected by the quality inspection department of the manufacturer in accordance with the test methods specified in this standard. The quality grade of the product shall be determined based on the inspection results and technical requirements, and a quality certificate shall be submitted. 5.3 Re-inspection
If the inspection results indicate that an item does not meet the requirements of this standard, samples should be re-sampled from twice the packaging units and the item should be re-inspected. If the re-inspection results still do not meet the standards, the batch of products should be classified Should be downgraded. 5.4 Acceptance
Users can conduct acceptance according to the tree brand number and the technical requirements specified in this standard. Any objections must be submitted to the manufacturer within the year of delivery of the product.
6 Logo, Packaging, Transportation and Storage
6.1 Logo
The packaging bag should be printed with the manufacturer's name, product name, trademark, product grade, batch number, net weight and production date. 6.2 Packaging
ABS resin is packaged in a polyene woven composite bag or a polyene woven bag with a polyphenylene film inside, or it is packaged in a container with the same packaging effect. The packaging seal should ensure that the product is not contaminated. The packaging must be moisture-proof and bio-proof. The net weight of each bag is 25k. 6.3 Transportation
ABS resin is a non-dangerous product. It is strictly forbidden to use sharp tools such as iron hooks during loading and unloading. Do not throw them to avoid damaging the packaging bags. During transportation, they must not be exposed to the sun or rain. They must not be shipped mixed with sand, soil, broken metal, coal, etc., and must not be mixed with toxic and corrosive materials. , mixed flammable materials. 6.4 Snake storage
ABS resin should be stored in a warehouse that is ventilated, dry, sun-proof, away from fire sources and kept clean with good fire-fighting facilities. Additional notes:
This standard is proposed by China Petrochemical Corporation. This standard is under the jurisdiction of the Petrochemical Plastic Resin Products Sub-Technical Committee of the National Plastics Standardization Technical Committee. This standard is drafted by Lanzhou Chemical Industry Company Synthetic Rubber Factory. The main drafters of this standard are Wang Juan, Zhou Duru, and Yu Zhong. 318
mm;
·+
L3
E
The load at a selected point on the linear part of the load-deflection curve, N; - the deflection corresponding to the load ,mm.
(2)
A group of samples should be prepared for each batch of materials, and each group should have no less than 5 samples. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples. Three significant figures.
4.7 Determination of tensile strength
4.7.1 Sample
The sample shall be made according to the provisions of 4.2. The shape and size of the sample are shown in the figure below and Table 3. o
G
H
Tensile yield strength specimen shape and size diagram 316
Standard search
Quasi consultation color fish fee|| tt||symbol
b
C
W
L
name
name
parallel part width|| tt||Parallel part length
End width
Total
Test conditions
4. 7. 2
a.
b .
4.7.3
Electricity.
Length
Distance between clamps: 115±5mm;
Stretching speed: 5mm/min.
Test
GB72672—90
Table 3
Dimensions, mm
13±0.5
57±0.5
19+
≥165
symbol
G
H
R
d
name
Said
gauge length (or effective part)
distance between fixtures
radius of curvature
thickness
degree
size, mm|| tt||50±0.25
115±5
76±1
3.2±0.4
Measure three pieces within the gauge length of the specimen using a suitable micrometer The width and thickness of the points are accurate to 0.025mm, and their arithmetic averages are calculated respectively;
b.
Install the sample in the fixture of the testing machine, and align the vertical axis of the sample with the upper and lower The center lines of the clamps coincide with each other, tighten the clamps, and clamp the sample with appropriate tightness (to prevent slipping or breaking during the test); start the instrument at the specified test speed to conduct the tensile test, c
d. Record the load while the specimen is in service.
Measurement results and processing
4.7.4
The tensile yield strength is calculated according to formula (3):
g
where: .sample Tensile yield strength, MPa; P
Load when the sample yields, N,
b—sample width, mm
d—sample thickness, mm.
(3)
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, taken Three significant figures.
4. 8 Determination of cantilever dye impact strength
4.8.1 Sample
According to the provisions of 4.2, make it 63.5mm long, 6.35mm wide (or 3.18mm), and 12.7+g thick .15mm specimen, notched by mechanical processing.
4.8.2 Test conditions
The cold box temperature when measuring low-temperature impact strength is -40℃. 4.8.3 Test
shall be carried out according to GB1843.
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, with three significant figures.
4.9 Rockwell hardness determination
4.9.1 Sample
Prepare the sample according to the provisions of 4.2.
4.9.2 Test
Conducted according to GB9342, using R scale.
317
.1
Free download of standard industry information
5 inspection rules
5.1 Sampling
GB 12672-90||tt ||ABS resin products can be divided into batches according to production uniformity, and random sampling should be used for the same batch of products. The sampling volume of each batch shall not be less than 5kg. 5.2 Inspection and grading
The factory products shall be inspected by the quality inspection department of the manufacturer in accordance with the test methods specified in this standard. The quality grade of the product shall be determined based on the inspection results and technical requirements, and a quality certificate shall be submitted. 5.3 Re-inspection
If the inspection results indicate that an item does not meet the requirements of this standard, samples should be re-sampled from twice the packaging units and the item should be re-inspected. If the re-inspection results still do not meet the standards, the batch of products should be classified Should be downgraded. 5.4 Acceptance
Users can conduct acceptance according to the tree brand number and the technical requirements specified in this standard. Any objections must be submitted to the manufacturer within the year the product is shipped.
6 Logo, Packaging, Transportation and Storage
6.1 Logo
The packaging bag should be printed with the manufacturer's name, product name, trademark, product grade, batch number, net weight and production date. 6.2 Packaging
ABS resin is packaged in a polyene woven composite bag or a polyene woven bag with a polyphenylene film inside, or it is packaged in a container with the same packaging effect. The packaging seal should ensure that the product is not contaminated. The packaging must be moisture-proof and bio-proof. The net weight of each bag is 25k. 6.3 Transportation
ABS resin is a non-dangerous product. It is strictly forbidden to use sharp tools such as iron hooks during loading and unloading. Do not throw them to avoid damaging the packaging bags. During transportation, they must not be exposed to the sun or rain. They must not be mixed with sand, soil, broken metal, coal, etc., and must not be mixed with toxic and corrosive materials. , mixed flammable materials. 6.4 Snake storage
ABS resin should be stored in a warehouse that is ventilated, dry, sun-proof, away from fire sources and kept clean with good fire-fighting facilities. Additional notes:
This standard is proposed by China Petrochemical Corporation. This standard is under the jurisdiction of the Petrochemical Plastic Resin Products Sub-Technical Committee of the National Plastics Standardization Technical Committee. This standard is drafted by Lanzhou Chemical Industry Company Synthetic Rubber Factory. The main drafters of this standard are Wang Juan, Zhou Duru, and Yu Zhong. 318
mm.
(3)
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, taken Three significant figures.
4. 8 Determination of cantilever dye impact strength
4.8.1 Sample
According to the provisions of 4.2, make it 63.5mm long, 6.35mm wide (or 3.18mm), and 12.7+g thick .15mm specimen, notched by mechanical processing.
4.8.2 Test conditions
The cold box temperature when measuring low temperature impact strength is -40℃. 4.8.3 Test
shall be carried out according to GB1843.
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, with three significant figures.
4.9 Rockwell hardness determination
4.9.1 Sample
Prepare the sample according to the provisions of 4.2.
4.9.2 Test
Conducted according to GB9342, using R scale.
317
.1
Free download of standard industry information
5 inspection rules
5.1 Sampling
GB 12672-90||tt ||ABS resin products can be divided into batches according to production uniformity, and random sampling should be used for the same batch of products. The sampling volume of each batch shall not be less than 5kg. 5.2 Inspection and grading
The factory products shall be inspected by the quality inspection department of the manufacturer in accordance with the test methods specified in this standard. The quality grade of the product shall be determined based on the inspection results and technical requirements, and a quality certificate shall be submitted. 5.3 Re-inspection
If the inspection results indicate that an item does not meet the requirements of this standard, samples should be re-sampled from twice the packaging units and the item should be re-inspected. If the re-inspection results still do not meet the standards, the batch of products should be classified Should be downgraded. 5.4 Acceptance
Users can conduct acceptance according to the tree brand number and the technical requirements specified in this standard. Any objections must be submitted to the manufacturer within the year the product is shipped.
6 Logo, Packaging, Transportation and Storage
6.1 Logo
The packaging bag should be printed with the manufacturer's name, product name, trademark, product grade, batch number, net weight and production date. 6.2 Packaging
ABS resin is packaged in a polyene woven composite bag or a polyene woven bag with a polyphenylene film inside, or it is packaged in a container with the same packaging effect. The packaging seal should ensure that the product is not contaminated. The packaging must be moisture-proof and bio-proof. The net weight of each bag is 25k. 6.3 Transportation
ABS resin is a non-dangerous product. It is strictly forbidden to use sharp tools such as iron hooks during loading and unloading. Do not throw them to avoid damaging the packaging bags. During transportation, they must not be exposed to the sun or rain. They must not be mixed with sand, soil, broken metal, coal, etc., and must not be mixed with toxic and corrosive materials. , mixed flammable materials. 6.4 Snake storage
ABS resin should be stored in a warehouse that is ventilated, dry, sun-proof, away from fire sources and kept clean with good fire-fighting facilities. Additional notes:
This standard is proposed by China Petrochemical Corporation. This standard is under the jurisdiction of the Petrochemical Plastic Resin Products Sub-Technical Committee of the National Plastics Standardization Technical Committee. This standard is drafted by Lanzhou Chemical Industry Company Synthetic Rubber Factory. The main drafters of this standard are Wang Juan, Zhou Duru, and Yu Zhong. 318
mm.
(3)
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, taken Three significant figures.
4. 8 Determination of cantilever dye impact strength
4.8.1 Sample
According to the provisions of 4.2, make it 63.5mm long, 6.35mm wide (or 3.18mm), and 12.7+g thick .15mm specimen, notched by mechanical processing.
4.8.2 Test conditions
The cold box temperature when measuring low-temperature impact strength is -40℃. 4.8.3 Test
is conducted according to GB1843.
A group of samples should be prepared for each batch of materials, with no less than 5 samples in each group. The measurement results are expressed as the arithmetic mean of the measured values ??of the 5 samples, with three significant figures.
4.9 Rockwell hardness determination
4.9.1 Sample
Prepare the sample according to the provisions of 4.2.
4.9.2 Test
Conducted according to GB9342, using R scale.
317
.1
Free download of standard industry information
5 inspection rules
5.1 Sampling
GB 12672-90||tt ||ABS resin products can be divided into batches according to production uniformity, and random sampling should be used for the same batch of products. The sampling volume of each batch shall not be less than 5kg. 5.2 Inspection and grading
The factory products shall be inspected by the quality inspection department of the manufacturer in accordance with the test methods specified in this standard. The quality grade of the product shall be determined based on the inspection results and technical requirements, and a quality certificate shall be submitted. 5.3 Re-inspection
If the inspection results indicate that an item does not meet the requirements of this standard, samples should be taken from twice the packaging units and the item should be re-inspected. If the re-inspection results still do not meet the standards, the batch of products should be classified Should be downgraded. 5.4 Acceptance
Users can conduct acceptance according to the tree brand number and the technical requirements specified in this standard. Any objections must be submitted to the manufacturer within the year of delivery of the product.
6 Logo, Packaging, Transportation and Storage
6.1 Logo
The packaging bag should be printed with the manufacturer's name, product name, trademark, product grade, batch number, net weight and production date. 6.2 Packaging
ABS resin is packaged in a polyene woven composite bag or a polyene woven bag with a polyphenylene film inside, or it is packaged in a container with the same packaging effect. The packaging seal should ensure that the product is not contaminated. The packaging must be moisture-proof and bio-proof. The net weight of each bag is 25k. 6.3 Transportation
ABS resin is a non-dangerous product. It is strictly forbidden to use sharp tools such as iron hooks during loading and unloading. Do not throw them to avoid damaging the packaging bags. During transportation, they must not be exposed to the sun or rain. They must not be shipped mixed with sand, soil, broken metal, coal, etc., and must not be mixed with toxic and corrosive materials. , mixed flammable materials. 6.4 Snake storage
ABS resin should be stored in a warehouse that is ventilated, dry, sun-proof, away from fire sources and kept clean with good fire-fighting facilities. Additional notes:
This standard is proposed by China Petrochemical Corporation. This standard is under the jurisdiction of the Petrochemical Plastic Resin Products Sub-Technical Committee of the National Plastics Standardization Technical Committee. This standard is drafted by Lanzhou Chemical Industry Company Synthetic Rubber Factory. The main drafters of this standard are Wang Juan, Zhou Duru, and Yu Zhong. 318
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.