This standard specifies the requirements, testing and inspection rules for flammable solid dangerous goods. This standard applies to the inspection of hazardous properties of flammable solid dangerous goods. GB 19521.1-2004 Safety specification for inspection of hazardous properties of flammable solid dangerous goods GB19521.1-2004 Standard download decompression password: www.bzxz.net

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National Standard of the People's Republic of China
GB19521.1—2004
Safety cude for inspection of hazardous prnjerlies furdangerous goods of flammable solids2004-05-20Published
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of ChinaStandardization Administration of China
2004-11-01Implementation
Chapter 4 and 5 of this standard are mandatory clauses: the remaining clauses are recommended clauses. GE19521.1—2004
This standard is not equivalent to the Joint Recommendation on the Ageing of Dangerous Goods (Manual of Test and Certification) (Revised by 1 Joint Stock Company). The relevant control techniques are consistent with those in the above-mentioned specification template. The editorial modification of the standard text is to GB/T 1.1200C. This standard is proposed and approved by the National Dangerous Chemicals Management Standardization Technical Committee (SAC/TC251). The responsible drafting unit of this standard is the Dangerous Goods Central Laboratory of the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China. The participating drafting units of this standard are: Tianjin Exit Inspection and Quarantine Bureau, Asia Pacific Dangerous Goods Association, and Jiangnan University. The main drafters of this standard are Xia Libing, Sheng Liaokan, Shi Ningdai, Shi Dezong, Liu Shaocong, and Gao Weiban. This standard is formulated for the second time.
1 Specifications
Safety Specifications for Inspection of Hazardous Properties of Flammable Solid Dangerous Goods This standard specifies the requirements, test conditions and inspection regulations for flammable solid dangerous goods. This standard applies to the inspection of hazardous properties of flammable solid dangerous goods. 2 Normative References
GR 19521.F—2004
The clauses in the following documents become clauses of this standard through reference in this standard. For any referenced document with a specified date, all subsequent amendments (excluding errors) or revisions shall not apply to this standard. However, the parties who have reached an agreement on this standard may use the latest versions of these documents. For any referenced document with a specified date, its latest version shall apply to this standard. GB19459 Dangerous Goods Safety Specification for Dangerous Goods Transport 3.2.2.2 Terms and definitions The United Nations Recommendations for the Transport of Dangerous Goods (4th Edition) and the following terms and definitions are used in this standard. Flammable solids are solids that are easily ignited and may ignite due to friction. 3.2.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.10.11.12.13.17.19.10.11.12.13.14.15.16.17.18.19.10.11.12.13.14.18.19.10.11.12.13.14.15.16.17.18.19.11.12.13.14 ...3.14.19.11.13.14.19.11.13.14.19.11.13.14.19.11.13.14.19.11.13.14.19.11.13.14.19.11.13.14.19.11.13.14.19.11.13.1 mm, 10 mm high, 20 mm wide continuous one-corner powder strip, ignited from one strand, the length of the flame within a certain time, the unit is m/. 4 Requirements
4.1 Dangerous goods can be ignited within a test time of no more than 2 minutes (or metal or gold powder samples within 20 minutes), and the surrounding sample will be ignited with fire and smoke
4.2 The markings, labels and hazard color labels cast, printed or pasted on the packaging of flammable goods should be accurate and clear, and meet the requirements of relevant regulations of (H194%) ,
5 Tests
5.1 Test items
The flammable hazardous characteristics test items include preliminary screening test, hazardous material bioassay test and appropriate packaging category test. 5.2 Sample quantity and sample pretreatment
5.2.1 Take more than 500 representative pieces of material from the goods to be inspected for special hazardous material tests: 5.2.2 Prepare appropriate methods to transform the solid product into a granular or particle shape. 5.3 Test contents
5.3.1 Preliminary screening test
5. 3.1.1 Test only
Automatic variable speed device fixed end section
GB19521.1:2004
5.3.1.2 Test method
Put a continuous belt or tape of micro-hardware in the shape of a powder or granular material, about 250m long, 20mm wide and 10mm high, on a dry and cool bottom plate with low heat conductivity: use gas to ignite (small protrusion 5mm) and gradually increase the temperature (the minimum temperature is 1000℃) until the powder ignites or burns. The longer the time is, the gold or gold-containing powder will be burned. 5.3.2 Test for determination of physical properties of heavy metals
5.3.2.1 Test apparatus
Metal burning rate apparatus, non-metallic burning rate apparatus: 5.3.2.2 Test method
Put the product in the form of portions or granules tightly into the mold, and place a non-permeable, non-combustible, low-thermal-conductivity plate on the top of the mold. Turn the apparatus upside down, remove the mold, and place the material on the non-combustible surface to make a 250mm wide mold with a surface of about 1μm. The first end of the sample is ignited, and the sample is added as a wet sample. The test should be completed as soon as possible after the sample is taken out of its container. The burning rate test is carried out in a windy environment, and the wind speed should be determined to prevent smoke from entering the tester. 5.3.3 Test for determination of applicable packaging category
5.3.3.1 Test apparatus
Metallic combustion apparatus, non-metallic combustion rate only. 5.3.3.2 Test method
5.3.3.2.1 For samples other than metal or alloy powders, 1 ml of wetted liquid should be placed on the sample at a distance of 0 mm to 40 mm for a period of 10 h. Ensure that all surfaces of the sample are completely wetted, the mixed liquid is not allowed to flow in two directions, the wetted liquid is uniformly wetted and does not contain flammable chromium agents, and the total amount of volatile substances in the wetted liquid should not exceed 1%. 5.3.3.2.2 Use a small flame or a hot metal wire with a low temperature of 100 ° C to ignite the mixture. When the stack is burned at a distance of 80 mm, measure the burning rate after 100 ° C. For samples other than metal or alloy powders, record whether the mixing section prevents the flame from burning. The test shall be carried out 10 times, each time using a clean floor. 5.4 Determination of category
5.4.1 Determination of hazard characteristics
If 5.1% of the test pieces fail to ignite with flame or burn 20 mm along the solid sample within 2 min (or 20 min for metal or alloy powder samples) of the test time, then the sample shall not be classified as a flammable solid and no further testing is required. If the solid sample ignites and burns 200 mm along the solid sample within 2 min or 20 min for metal or alloy samples of the test time, then the tests in 5.3.2 and 5.3.3 shall be carried out. 5.4.2 Determination of hazard characteristics
If one or more of the tests on the powder or granular sample with a flaming time of less than 10 min or a burning rate greater than 20 mm/5 min are carried out according to the test method described in 5.3.2, the product shall be classified as a flammable solid. If the metal or alloy can be ignited and can be extended to the entire length of the sample within m, it shall be classified as a flammable body of item 4. 5.4.3 Determination of packaging category The packaging category is determined according to the test results of item 5.3.3, and the range is 1. Table 1 Applicable packaging category determination High flammability is the same as the metal in the sealed environment The initial surface of the leaf is less than 4m and the wet section is at least 45H + 5min. Inspection and purchase 6.1 Inspection items Inspection shall be carried out according to the requirements of Chapter 1 and 5 of this standard. 6.2 Inspection conditions
When any of the following conditions occurs, the initial hazardous property inspection should be carried out: New product is put into production or old product is converted to another product:
After formal production, if there are major changes in materials and processes that may affect product performance; During regular production, once a year;
When the product is out of production for a long time and production is resumed: When the inspection results are significantly different from the results of the previous hazardous property inspection: - The national quality supervision agency proposes to carry out a continuous hazardous property inspection. 6.3 Judgment rules
GB19521.1—2004
Carry out the test in accordance with Article 5.3 of this standard, and judge the hazardous properties and applicable packaging of pyrogenic solid dangerous goods based on the test results and Article 5.4 of this standard.
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