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GB/T 21631-2008: Dangerous goods -- Test method of enclosed space ignition for aerosols
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21631-2008 | English | 189 |
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Dangerous goods -- Test method of enclosed space ignition for aerosols
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GB/T 21631-2008
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Basic data | Standard ID | GB/T 21631-2008 (GB/T21631-2008) | | Description (Translated English) | Dangerous goods -- Test method of enclosed space ignition for aerosols | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A80 | | Classification of International Standard | 13.300 | | Word Count Estimation | 8,877 | | Date of Issue | 2008-04-01 | | Date of Implementation | 2008-09-01 | | Adopted Standard | UNECE ST/SG/AC.10/11, NEQ | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 5, 2008 (No. 118 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the sprays enclosed space ignition test methods. This standard applies to the ignition distance test can not determine the flammability of aerosol products. | GB/T 21631-2008: Dangerous goods -- Test method of enclosed space ignition for aerosols---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Dangerous goods. Test method of enclosed space ignition for aerosols
ICS 13.300
A80
National Standards of People's Republic of China
DG sprays enclosed space ignition test methods
Posted 2008-04-01
2008-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This corresponds to the standard of the United Nations "on the Recommendations of the Transport of Dangerous Goods Manual of Tests and Criteria" (4th revised edition), and its consistency
Not equivalent. Its technical content and said full agreement on a standard text format according to GB/T 1.1-2000 made a series
Series modifications.
Appendix A of this standard is a normative appendix.
This standard is managed by the National Standardization Technical Committee chemicals dangerous (SAC/TC251) and focal points.
This standard is drafted by. Zhejiang Exit Inspection and Quarantine.
Participated in the drafting of this standard. the Chemical Institute of Standardization.
The main drafters of this standard. Chen, Xi Zhang Jun, Yang Chen, Xu Yongping, Yang Zuyong, Zhang Hui, Wang Xiaobing.
This standard was first formulated.
DG sprays enclosed space ignition test methods
1 Scope
This standard specifies the spray (aerosol) equipment and materials enclosed space ignition test, the test procedures and results determined.
This standard applies to the ignition distance test can not determine the flammability of spray (aerosol) products.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
Standard Test Methods for Heat of Combustion of Liquid Hydrocarbon Fuels ASTMD240 bomb calorimeter measurement
United Nations "on the Recommendations on the Transport of Dangerous Goods Model Regulations" (14th revised edition)
3 Terms and definitions
The following terms of the United Nations "on the Recommendations on the Transport of Dangerous Goods Model Regulations" (14th revised edition) and established ASTMD240
And definitions apply to this standard.
3.1
You can point at 20 ℃ and a standard atmospheric pressure (101.3kPa) the conditions of the gas is mixed with air volume of 13% or less
Combustion gases.
3.2
Or aerosol sprays made of metal, glass or plastic and non-refillable receptacles, built a gas, compressed, liquefied or dissolved gas
Body, with or without a liquid, paste or powder, and fitted with a release device that can contents in solid or liquid particles in suspension form
Type, dispersed in the air, forming gas, foam, paste or powder or in a liquid or gaseous state.
4 Equipment and Materials
4.1 heated water tank. Accuracy ± 1 ℃.
4.2 Balance. Accuracy ± 0.1g.
4.3 bomb calorimeter.
4.4 Timer (Stopwatch). Accuracy ± 0.2s.
4.5 Thermometer. Accuracy ± 1 ℃.
Hygrometer 4.6. Accuracy ± 5%.
4.7 gauge. Accuracy ± 0.1Pa.
4.8 cylindrical test vessel, see Appendix A in Figure A. 1.
4.9 Place candles metal stents, see Appendix A in Figure A. 2.
5 Test preparation
5.1 Preparing test specimens 3, which means filling reaches the labeled amount of the product (referred to full irrigation).
Measuring 5.2 by combustion heat spray bomb calorimeter.
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