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GB 18095-2000 Emulsion explosives

Basic Information

Standard ID: GB 18095-2000

Standard Name: Emulsion explosives

Chinese Name: 乳化炸药

Standard category:National Standard (GB)

state:in force

Date of Release2000-05-09

Date of Implementation:2000-07-01

standard classification number

Standard ICS number:Chemical Technology>>Chemical Products>>71.100.30 Explosives and Fireworks

Standard Classification Number:Chemicals>>Other Chemical Products>>G89 Explosive Products

associated standards

Publication information

publishing house:China Standards Press

ISBN:155066.1-16789

Publication date:2004-04-16

other information

Release date:2000-05-09

Review date:2004-10-14

Drafting unit:State-owned Yunnan Anning Chemical Plant

Focal point unit:Commission of Science, Technology and Industry for National Defense

Publishing department:General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

competent authority:Commission of Science, Technology and Industry for National Defense

Introduction to standards:

This standard specifies the classification and naming, requirements, test methods, inspection rules, marking, packaging, transportation and storage of emulsion explosives. This standard applies to emulsion explosives for engineering blasting. GB 18095-2000 Emulsion Explosives GB18095-2000 Standard download decompression password: www.bzxz.net

Some standard content:

GB18095--2000
This standard is formulated on the basis of WJ1989-1990 "Emulsion Explosives" and MT66-1982 "Emulsion Explosives", combined with the actual situation of domestic emulsion explosives research, production and application. This standard is proposed by China North Industries Group Corporation. This standard is under the jurisdiction of China North Industries Standardization Institute. The drafting units of this standard are: State-owned Yunnan Anning Chemical Plant, China Coal Research Institute Blasting Technology Research Institute, China Coal Research Institute Fushun Branch, China North Industries Standardization Institute. The main drafters of this standard are: Wu Wenxiu, Xia Bin, Dong Chunhai, Yang Jinxia, ​​Gu Zhaohua. 802
National Standard of the People's Republic of China
Emulsion explosive
Emulsion explosive
GB18095 -- 2000
This standard specifies the classification and naming, requirements, test methods, inspection rules, marking, packaging, transportation and storage of emulsion explosives. This standard is applicable to emulsion explosives for engineering blasting. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T 2828—1987
GB/T 2829--1987
GB/T 8031--1987
Batch inspection counting sampling procedures and sampling tables (applicable to the inspection of continuous batches) Periodic inspection counting sampling procedures and sampling tables (applicable to the inspection of the stability of the production process) Industrial electric bulbs
General principles for the instruction manual of industrial products
GB 9969. 1—1998
GB/T 10111--1988
GB/T12436-1990
GB/T 12440--1990
GB/T 13228-—1991
GB/T 13230—1991
GB/T 14436--1993
GB 14493-1993
Random sampling method using random number generatorsLead method for explosive performance test
Lead column compression method for explosive strength test
Method for measuring detonation velocity of industrial explosives
Industrial detonator
General provisions for industrial product assurance documents
Industrial explosive packaging
: Classification and naming rules for industrial explosives
GB/T 17582-1998
Test method and determination of safety of combustible gas for permissible explosives in coal minesGB 18097—2000
GB 18098--2000
GJB 772A--1997
3 Classification and naming
3.1 Classification
Determination of toxic gas content after explosion of industrial explosives Explosive test methods
Emulsion explosives are mainly divided into three types according to their use: rock, coal mine permitted, and open-pit. Rock emulsion explosives are suitable for blasting projects without the danger of methane and (or) mine dust explosion. Coal mine permitted emulsion explosives are suitable for blasting projects with the danger of methane and (or) coal dust explosion. Open-pit emulsion explosives are suitable for open-pit blasting projects. 3.2 Naming
The naming of emulsion explosives shall comply with the provisions of GB/T17582. Approved by the State Administration of Quality and Technical Supervision on May 9, 2000 and implemented on July 1, 2000
4 Requirements
GB 18095—
The main performance indicators of emulsion explosives shall meet the requirements of Table 1. Table 1 Main performance indicators of emulsion explosives
Density of explosive rolls
Density of explosives
Explosion distance
Working capacity
Impact sensitivity
Electric sensitivity
Thermal sensitivity
After explosion of explosives
Toxic gas content
Safety of combustible gas
Guarantee period of use
Rock emulsion explosives
0.95~~1.30
1. 00 ~~1. 30
≥4.5×103
≥320
≥3. 2×103
≥260bzxz.net
Permitted emulsion explosives for coal mines
0. 95~1. 25
1. 00~1. 30
≥3. 0×103
≥220
≥3. 0×103
≥220
Explosion probability≤8%
Explosion probability≤8%
No combustion and no explosion
≥2.8×103
≥210
The figures in the table are valid within the warranty period, which is calculated from the date of completion of explosive manufacturing. 2 The detonation velocity of the capless open-air emulsion explosive produced by the mixed loading vehicle shall not be less than 4.2×103m/s3. For products with special requirements by users, the explosion performance can be determined by negotiation between the supply and demand parties. 5 Test method
Open-air emulsion explosive
With detonator sensitivity
Without detonator sensitivity
1. 10~~1. 30
1.15~1.351.00~1.35
≥3.0×103
≥3.5×103
≥240
When conducting the detonation distance, detonation velocity, intensity, working capacity, toxic gas content after the explosion of explosives, and combustible gas safety tests, the sample temperature should not be lower than 5℃. If the sample temperature is lower than 5℃, heating measures should be taken, but the temperature increase should not exceed 25℃. 5.1 Determination of drug roll density
5.1.1 Direct measurement method
5.1.1.1 Principle
The value obtained by dividing the mass of the drug roll by the volume of the drug roll is the drug roll density. 5.1.1.2 Instruments
a) Balance: Sensitivity is 0.5g;
b) Ruler: Graduation value is 0.1cm.
5.1.1.3 Test procedure
GB 18095---2000
Take a sample of the drug roll and weigh its mass to an accuracy of 0.5g. And measure its length with a ruler to an accuracy of 0.1cm. Then open the drug roll skin along the central axis of the drug roll, take out the explosive, and measure the circumference of the middle section of the packaging skin with a ruler to an accuracy of 0.1cm. 5.1.1.4 Expression of test results
The density of the drug roll is calculated according to formula (1).
In the formula, o…
density of the medicine roll. g/cm*;
.mass of the medicine roll.·
six--pi (take 3.14);
(.circumference of the medicine roll, cm;
I…length of the medicine roll, cm.
The result should be expressed to two decimal places.
5.1.2 Volume reduction method
This method is only applicable to medicine rolls wrapped in plastic film and serves as the arbitration method for medicine rolls wrapped in plastic film. 5.1.2.1 Principle
Put the weighed medicine roll in a certain volume of water. The value obtained by dividing the mass of the medicine roll by the volume increment of water is the density of the medicine roll. 5.1.2.2 Instruments
a) Balance: sensitivity is 0.5g;
b) Volume reduction: graduation value is 10mL and volume is 1000mi. 5.1.2.3 Test procedure
5.1.2.3.1 Add about 500mL of water to a 1000mL measuring cylinder, record the volume of the water, and estimate to 1mL. (1
5.1.2.3.2 Weigh a drug roll sample, accurate to 0.5g. Slowly put the weighed drug roll into the water in the measuring cylinder, gently vibrate the measuring cylinder to discharge the bubbles adsorbed on the surface of the drug roll, wait for the water surface to rise steadily, record the volume of water in the measuring cylinder after the water surface rises, and estimate to 1mL. 5.1.2.4 Expression of test results
The density of the drug roll is calculated according to formula (2).
Where.
Density of drug roll + g/cm;
Mass of drug roll·g;
The volume of water after the drug roll is placed, m L;
The volume of water before placing the explosive, mL.
The result should be expressed to two decimal places.
5.2 Determination of density of explosives
5.2.1 Iron cylinder method (arbitration method)
5.2.1.1 Principle
·A certain mass of explosive is placed in a certain volume of water. The value obtained by dividing the mass of the explosive by the volume increase of water is the density of the explosive. 5.2.1.2 Instruments
a) Balance: sensitivity is 0.5g;
b) Volumetric cylinder: graduation value is 5ml, capacity is 500ml. 5.2.1.3 Test procedure
5.2.1.3.1 Add about 300mL of water to a 500mL measuring cylinder, record the volume of water, and read to the nearest 2.5mL. (2)
5.2.1.3.2 Weigh about 100g of explosive sample, accurate to 0.5g (plastic film padding is allowed, and its length × width × thickness is not more than 100mmlX 100mmnX0. 05mm).
GB 18095 --- 2000
5.2.1.3.3 Slowly put the weighed explosive into the water in the measuring cylinder, and gently vibrate the measuring cylinder to discharge the bubbles adsorbed on the surface of the explosive. After the water surface rises steadily, record the volume of water in the measuring cylinder after 1 liter of water surface, and read to 2.5mL. 5.2.1.4 Expression of test results
The density of explosive is calculated according to formula (3).
Density of explosive, g/cm;
Mass of explosive, g:
V.-volume of water after placing explosive, ml;
V, volume of water before placing explosive. mL.
Carry out two parallel measurements according to the test procedure, take the arithmetic mean, and the result should be expressed to two decimal places. 5.2.2 Density cup method
5.2.2.1 Principle
Fill a density cup of known volume with explosives, weigh it with a balance, and the value obtained by dividing the mass of explosives by the volume of density cup is the density of explosives. 5.2.2.2 Apparatus
a) Density cup: volume is 100cm;
b) Balance: sensitivity is 0.5g.
5.2.2.3 Test procedure
Weigh the empty density cup with a balance to an accuracy of 0.5g. Fill the density cup with emulsion explosive, scrape it flat, and weigh it to an accuracy of 0.5g.
5.2.2.4 Expression of test results
Calculate the density of explosive according to formula (4).
Density of explosive + g/cm\;
·Mass of density cup filled with explosive·g; m
Mass of empty density cup·g;
Volume of density cup, cm.
Carry out two parallel measurements according to the test procedure and take the arithmetic mean. The result should be expressed to two decimal places. 5.3 Determination of sympathetic detonation distance
5.3.1 Principle
(4)
A charge roll of a certain mass and a specified diameter is made into a main charge roll and a receiving charge roll. After the main charge roll is detonated, the receiving charge roll is caused to detonate through air as the medium. The maximum distance between the end faces of the two charge rolls is taken as the measured value of the sympathetic detonation distance of the explosive. 5.3.2 Instruments and materials
a) Round rod: diameter 32mm or 35mm;
b) Ruler: graduation value 1mm;
() No. 8 detonator: GB/T8031 or GB/T13230. 5.3.3 Test procedure
5.3.3.1 Take a 32mm or 35mm cartridge (large diameter cartridges and bulk explosives should be made into cartridges with a diameter of 32mm or 35mm according to the specified density) sample, cut off the uneven surface at one end, the length of the main explosive cartridge is about 150mm, and the length of the explosive cartridge is not less than 150mm. 5.3.3.2 On the sandy ground of the test site, use a round rod with the same diameter as the cartridge sample to press out a horizontal semicircular groove, the length of which should not be less than the sum of the length of the test cartridge and the distance of the sympathetic detonation to be measured. The main explosive roll and the receiving explosive roll are placed opposite to each other in the semicircular groove, and the distance between the two rolls is set (accurate to 1mm). There should be no debris between the rolls. See Figure 1 for the assembly diagram of the sympathetic detonation distance test. GB 18095--2000
1 Main explosive roll; 2-Cross section of the roll; 3-Received explosive roll Figure 1 Schematic diagram of the assembly diagram of the sympathetic detonation distance test
5.3.3.3 Insert a No. 8 detonator at one end of the main explosive roll, and the insertion depth is 2/3 of the detonator length, and then detonate. After detonation, if there is no residual explosive on the scene and a blast pit is generated where the receiving explosive roll is placed, it is judged to be a sympathetic detonation. 5.3.3.4 During the type inspection, the test is carried out according to the above method, and the maximum distance that can be sympathetically detonated in three parallel tests is taken as the explosion distance of the explosive. It is allowed to inspect only according to the indicators specified in the standard. 5.3.4 Expression of test results
The test results are expressed in the form of [L]A/B, where: : is the distance between the cross sections of the two cords, cm; -A is the number of times the cord is exploded;
-B is the number of tests.
5.4 Detonation velocity determination
The test method shall be carried out in accordance with the provisions of GB/T13228 (the sampling plan shall be in accordance with the provisions of this standard). The test conditions for capless emulsion explosives shall be as follows: a) The cartridge case shall be a PVC plastic tube with an inner diameter of 150mm±3mm and a thickness of 4mm±1mm. The charge in the cartridge case shall be continuous. b) Explosive column: 450g±2g of TNT shall be injected, with a diameter of 60mm±3mm and a length of 103mm±5mm. Other explosive columns with equivalent energy are allowed.
C) Installation of explosive column: Install the explosive column in the axial part of the open end of the cartridge, so that it is completely buried in the explosive, and the detonator is inserted into the center of the explosive column.
5.5 Determination of strength
The test method shall be carried out in accordance with the provisions of GB/T12440 (the sampling plan shall be carried out in accordance with the provisions of this standard). 5.6 Determination of functional capacity
It shall be carried out in accordance with the provisions of GB/T12436.
5.7 Determination of impact sensitivity
It shall be carried out in accordance with the provisions of Method 601.1 in GJB772A-1997. The selected test conditions are: drop weight: 10.000kg±0.010kg; drop height: 500mm±1mms
Amount of explosive: 50mg±1mg.
5.8 Friction sensitivity determination
Perform according to the provisions of Method 602.1 in GJB772A--1997. The selected test conditions are: swing angle: 96°±1°;
gauge pressure: 4.90MPa±0.07MPa (actual pressure of the sample 592.9MPa±8.5MPa); charge: 30 mg±1 mg.
5.9 Thermal sensitivity determination
5.9.1 Preliminary treatment
Keep a certain mass of explosives at a certain temperature for a certain period of time, and observe whether the explosives have combustion or explosion phenomena. 5.9.2 Instruments and equipment
a) Balance: sensitivity 0.1g;
GB18095-2000
b) Temperature controller: temperature control range 0~300℃, accuracy ±1℃;c) Electric furnace;
d) Timer: accuracy 1s;
e) Iron plate: see Figure 2. Thickness 20mm.
4-15 Depth 16
5.9.3 Test procedure
Iron plate plane
68 Depth 1
5.9.3.1 Assemble according to Figure 3, the temperature sensing element is in contact with the bottom of the hole, and the remaining space is filled with quartz sand. 1—Electric furnace 2. Heating iron plate; 3—Sample hole 4—Temperature sensing element; 5—Temperature sensing element fixing frame: 6—Temperature controller Figure 3 Schematic diagram of thermal sensitivity measurement device
5.9.3.2 Heat the iron plate to 200℃±5C and keep the temperature constant. 5.9.3.3 Weigh about 1g of explosive sample, divide it into 4 parts, place them in the four sample holes of the iron plate, and start timing. Observe whether combustion or explosion occurs within 20 minutes.
5.9.4 Evaluation of test results
Parallel test three times, no combustion or explosion occurs in three times, which is qualified. 5.10 The determination of toxic gas content after explosive explosion shall be carried out in accordance with the provisions of GB18098.
5.11 Combustible gas safety test
Carry out in accordance with the provisions of GB18097.
6 Inspection rules
6.1 Inspection classification
GB 18095 ~-2000
The inspection of emulsion explosive products is divided into factory inspection and type inspection. 6.2 Factory inspection
When emulsion explosive products leave the factory, they shall be inspected by the quality inspection department of the manufacturer, and the products leaving the factory shall comply with the provisions of this standard. 6.2.1 Inspection items
The factory inspection items are the density of the explosive roll, the detonation distance, the intensity and the detonation velocity. 6.2.2 Batch rules
Each inspection batch shall consist of products of the same type with basically the same raw materials, processes, equipment and other conditions, and manufactured in a similar time. The batch size shall not exceed 30,000 kg. 6.2.3 Sampling plan
6.2.3.1 Explosive roll density and sympathetic detonation distance
The sampling plan for explosive roll density and sympathetic detonation distance shall be in accordance with the provisions of GB/T2828, using the number of unqualified products per 100 units as the batch quality indicator, and adopting a secondary sampling plan. The specific plan is shown in Table 2. Table 2 Sampling plan for explosive roll density and sympathetic detonation distance Qualified quality level
Inspection level
≤7000kg
7 001 ~ 30 000 kg
Sample code
Sampling plan
3,3/0,2;1,2
5,5/0.2;1,2
2,2/0,2,1,2
2.2/0,3:3,4
Cumulative sample size: 63~79
Cumulative sample size:
100124
Note: The sample size (n), qualified judgment number (Ac), and unqualified judgment number (Re) in the sampling plan are all in \times\. 6.2.3.1.1 Sample extraction
Relaxed limit number: 0
5,5/0,3;3.4
5,5/0,2;1,2
2,2/0,2;1,2
2,2/0,3;3,4
Relaxed limit number:
Samples should be randomly selected from no less than four packages in each batch. Two samples can be randomly selected at one time, but they should be divided into the first sample and the second sample. Sampling during the packaging process is allowed. 6.2.3.1.2 Inspection Strictness Provisions
Sampling inspection starts with normal inspection. When making adjustments, the transfer rules specified in GB/T2828 and the relaxation limit numbers specified in Table 2 must be strictly followed.
6.2.3.1.3 Handling of Unqualified Batches
Unqualified batches are self-inspected by the production unit, and unqualified products are removed or repaired before being allowed to be submitted for inspection again. For batches submitted for inspection again, the items that cause the unqualified items should be strictly inspected. 6.2.3.2 Explosion Speed ​​and Fierceness
The sampling plan for explosion speed and fierceness shall be in accordance with the provisions of GB/T2829, using the number of unqualified products per 100 units as the batch quality indicator, and adopting a one-time sampling plan. The specific plan is shown in Table 3.
Unqualified quality level
Discrimination Yongping
GB 18095—2000
Table 3 Sampling plan for explosion velocity and intensity
Inspection cycle
Sampling plan
Note: The sample size (n), qualified judgment number (Ac), and unqualified judgment number (Re) in the sampling plan are all in "times". 6.2.3.2.1 Sampling
The samples for periodic inspection shall be randomly selected from a batch manufactured in this cycle that has passed the batch-by-batch inspection; and shall be carried out after the number of unit products manufactured in this cycle exceeds half. 6.2.3.2.2 The disposal method after the periodic inspection fails shall comply with the provisions of 4.12.3 in GB/T2829-1987. 6.3 Type inspection
6.3.1 Timing of type inspection
Type inspection shall be conducted in any of the following circumstances: a) When a new product is finalized and an old product is transferred to another factory for production; b) After formal production, if there are major changes in equipment, materials, and processes that may affect product performance; c) When the product production line is to be resumed after being shut down for six months; d) When the national quality supervision agency proposes a type inspection requirement. 6.3.2 Inspection items
Type inspection items are all items specified in Table 1. 6.3.3 Sampling
Samples shall be randomly selected according to the method specified in GB/T10111. The total amount of samples shall not be less than 15kg, and the total amount of samples for products without detonator sensitivity shall not be less than 60kg.
6.3.4 Judgment rules and re-inspection rules
When all the items inspected meet the requirements of this standard, the products submitted for inspection shall be judged to be qualified. If any one of the five items of impact sensitivity, friction sensitivity, thermal sensitivity, toxic gas content after explosive explosion, and combustible gas safety does not meet the requirements of this standard, the submitted inspection batch is judged to be unqualified. If two or more (excluding two) of the six items of drug volume density, explosive density, detonation velocity, intensity, sympathetic detonation distance, and working capacity do not meet the requirements of this standard, the submitted inspection batch is judged to be unqualified. If one or two of the measurement results do not meet the requirements of this standard, the items that do not meet the requirements shall be doubled for re-inspection. If the re-inspection results all meet the requirements of this standard, the submitted inspection batch is still judged to be qualified, otherwise it is unqualified.
7 Marking, packaging, transportation, storage
7.1 Marking
The outer packaging marking of emulsion explosives shall comply with the provisions of Chapter 5 of GB14493-1993. The net weight refers to the sum of the mass of the drug volume in the box (or) the mass of each explosive of bulk explosives. 7.2 Packaging
The inner and outer packaging of emulsion explosives shall comply with the provisions of Chapter 4 of GB14493-1993. 7.2.1 Drug rolls
7.2.1.1 The specifications of drug rolls are generally as follows:
a) Drug roll outer diameter: 32 mm±1mm; Φ35 mm±1mm; b) Drug roll mass (including packaging skin) tolerance: ±10g. When the user requires drug rolls of other specifications, the two parties may negotiate and indicate it in the contract. 810
GB18095—2000
7.2.1.2 The mass of drug rolls in each package shall not exceed 30kg. 7.2.2 Bulk explosives
The net weight of each package shall not exceed 40kg, and the net weight deviation shall not exceed 1%. 7.2.3 Documents accompanying the product
Each package shall be accompanied by a product certificate and instruction manual. The preparation of the product certificate shall comply with the provisions of GB/T14436, and the preparation of the instruction manual shall comply with the provisions of GB9969.1. 7.2.4 Packaging inspection
Four packages shall be randomly selected from each batch of products and subjected to packaging inspection in accordance with the requirements of 7.1 and 7.2 (the quality of the drug rolls and the middle package may be inspected during the production process).
All inspected samples shall meet the requirements, otherwise, 100% inspection shall be carried out, and those that fail to meet the standards shall be returned for repair. 7.3 Transportation
The transportation of emulsion explosives shall comply with the relevant national regulations on the transportation of dangerous goods. 7.4 Storage
Emulsion explosives shall be stored in a well-ventilated and dry warehouse. They shall not be stored together with detonators and other blasting equipment.4 Judgment rules and re-inspection rules
When all the inspected items meet the requirements of this standard, the submitted inspection batch is judged to be qualified. If any one of the five items of impact sensitivity, friction sensitivity, thermal sensitivity, toxic gas content after explosive explosion, and combustible gas safety does not meet the requirements of this standard, the submitted inspection batch is judged to be unqualified. If two or more (excluding two) of the six items of cord density, explosive density, detonation velocity, intensity, sympathetic detonation distance, and working capacity do not meet the requirements of this standard, the submitted inspection batch is judged to be unqualified. If one or two of the measurement results do not meet the requirements of this standard, the items that do not meet the requirements shall be doubled for re-inspection. If the re-inspection results all meet the requirements of this standard, the submitted inspection batch is still judged to be qualified, otherwise it is unqualified.
7 Marking, packaging, transportation, storage
7.1 Marking
The outer packaging marking of emulsion explosives shall comply with the provisions of Chapter 5 of GB14493-1993. The net weight refers to the sum of the weight of the explosive rolls in the box (or) the weight of each explosive of bulk explosives. 7.2 Packaging
The inner and outer packaging of emulsion explosives shall comply with the provisions of Chapter 4 of GB14493-1993. 7.2.1 Explosive rolls
7.2.1.1 The specifications of explosive rolls are generally as follows:
a) Explosive roll outer diameter: 32 mm ± 1mm; Φ35 mm ± 1mm; b) Tolerance of explosive roll weight (including packaging skin): ± 10g. When the user requires other specifications of explosive rolls, the two parties may negotiate and indicate it in the contract. 810
GB18095—2000
7.2.1.2 The weight of the explosive rolls in each package shall not exceed 30kg. 7.2.2 Bulk explosives
The net weight of each package shall not exceed 40kg, and the net weight deviation shall not exceed 1%. 7.2.3 Documents accompanying the product
Each package shall be accompanied by a product certificate and instruction manual. The preparation of the product certificate shall comply with the provisions of GB/T14436, and the preparation of the instruction manual shall comply with the provisions of GB9969.1. 7.2.4 Packaging inspection
Four packages shall be randomly selected from each batch of products and subjected to packaging inspection in accordance with the requirements of 7.1 and 7.2 (the quality of the drug rolls and the middle package may be inspected during the production process).
All inspected samples shall meet the requirements, otherwise, 100% inspection shall be carried out, and those that fail to meet the standards shall be returned for repair. 7.3 Transportation
The transportation of emulsion explosives shall comply with the relevant national regulations on the transportation of dangerous goods. 7.4 Storage
Emulsion explosives shall be stored in a well-ventilated and dry warehouse. They shall not be stored together with detonators and other blasting equipment.4 Judgment rules and re-inspection rules
When all the inspected items meet the requirements of this standard, the submitted inspection batch is judged to be qualified. If any one of the five items of impact sensitivity, friction sensitivity, thermal sensitivity, toxic gas content after explosive explosion, and combustible gas safety does not meet the requirements of this standard, the submitted inspection batch is judged to be unqualified. If two or more (excluding two) of the six items of cord density, explosive density, detonation velocity, intensity, sympathetic detonation distance, and working capacity do not meet the requirements of this standard, the submitted inspection batch is judged to be unqualified. If one or two of the measurement results do not meet the requirements of this standard, the items that do not meet the requirements shall be doubled for re-inspection. If the re-inspection results all meet the requirements of this standard, the submitted inspection batch is still judged to be qualified, otherwise it is unqualified.
7 Marking, packaging, transportation, storage
7.1 Marking
The outer packaging marking of emulsion explosives shall comply with the provisions of Chapter 5 of GB14493-1993. The net weight refers to the sum of the weight of the explosive rolls in the box (or) the weight of each explosive of bulk explosives. 7.2 Packaging
The inner and outer packaging of emulsion explosives shall comply with the provisions of Chapter 4 of GB14493-1993. 7.2.1 Explosive rolls
7.2.1.1 The specifications of explosive rolls are generally as follows:
a) Explosive roll outer diameter: 32 mm ± 1mm; Φ35 mm ± 1mm; b) Tolerance of explosive roll weight (including packaging skin): ± 10g. When the user requires other specifications of explosive rolls, the two parties may negotiate and indicate it in the contract. 810
GB18095—2000
7.2.1.2 The weight of the explosive rolls in each package shall not exceed 30kg. 7.2.2 Bulk explosives
The net weight of each package shall not exceed 40kg, and the net weight deviation shall not exceed 1%. 7.2.3 Documents accompanying the product
Each package shall be accompanied by a product certificate and instruction manual. The preparation of the product certificate shall comply with the provisions of GB/T14436, and the preparation of the instruction manual shall comply with the provisions of GB9969.1. 7.2.4 Packaging inspection
Four packages shall be randomly selected from each batch of products and subjected to packaging inspection in accordance with the requirements of 7.1 and 7.2 (the quality of the drug rolls and the middle package may be inspected during the production process).
All inspected samples shall meet the requirements, otherwise, 100% inspection shall be carried out, and those that fail to meet the standards shall be returned for repair. 7.3 Transportation
The transportation of emulsion explosives shall comply with the relevant national regulations on the transportation of dangerous goods. 7.4 Storage
Emulsion explosives shall be stored in a well-ventilated and dry warehouse. They shall not be stored together with detonators and other blasting equipment.
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