GB/T 21630-2008 English PDF

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GB/T 21630-2008: Dangerous goods -- Ignition distance test method for aerosols
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21630-2008	169	Add to Cart	3 days	Dangerous goods -- Ignition distance test method for aerosols	Valid

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Basic data

Standard ID: GB/T 21630-2008 (GB/T21630-2008)
Description (Translated English): Dangerous goods -- Ignition distance test method for aerosols
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A80
Classification of International Standard: 13.300
Word Count Estimation: 7,731
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 spray (aerosol) ignition distance test equipment and materials, test procedures and results of determination. This standard applies to the spray distance of 15 cm or more spray (aerosol) products.

GB/T 21630-2008: Dangerous goods -- Ignition distance test method 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. Ignition distance test method for aerosols ICS 13.300 A80 National Standards of People's Republic of China Distance Testing Method dangerous spray ignition 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 Transport of Dangerous Goods Manual of Tests and Criteria Recommendations" (fourth revised edition), and its consistency Not equivalent, its technical contents and said full agreement on a standard text format according to GB/T 1.1-2000 done editing Modifications. Appendix A of this standard is an informative annex. 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, Wang Xiaobing, Li helmet, Wangxu Jiang, Wu Zheng, Huang Ying, Zhang Jun Xi. This standard was first formulated. Distance Testing Method dangerous spray ignition

1 Scope

This standard specifies the spray (aerosol) ignition equipment and materials from the test, the test procedures and results determined. This standard applies to spray distance of 15cm or more 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. GB/T 21631-2008 dangerous sprays enclosed space ignition test methods 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 20 ℃ constant temperature water bath. Accuracy ± 1 ℃. 4.2 Balance. Accuracy ± 0.1g. 4.3 bomb calorimeter. 4.4 Timer (Stopwatch). Accuracy ± 0.2s. 4.5 bracket and clamp with scale, the scale in centimeters. 4.6 bracket and clamp with a gas burner, and, when ignited to produce a 4cm ~ 5cm high, blue, non-luminous flame. 4.7 Thermometer. Accuracy ± 1 ℃. Hygrometer 4.8. Accuracy ± 5%. 4.9 gauge. Accuracy ± 0.1Pa.

5 Test preparation

6 5.1 Preparing test specimens, including three full amount of the labeled product (referred to full irrigation), three of the labeled amount of 10% to 12%. ......

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