GB/T 21623-2008 English PDF

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GB/T 21623-2008: Dangerous goods -- Viscosity test for of flammable viscous liquids
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21623-2008	149	Add to Cart	2 days	Dangerous goods -- Viscosity test for of flammable viscous liquids	Valid

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Basic data

Standard ID: GB/T 21623-2008 (GB/T21623-2008)
Description (Translated English): Dangerous goods -- Viscosity test for of flammable viscous liquids
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A80
Classification of International Standard: 13.300
Word Count Estimation: 5,589
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 viscous liquid viscosity test instruments and equipment, operating procedures and the results indicate. This standard applies to paints, enamels, varnishes, adhesives and polishes a flash point below 23��C viscous liquid.

GB/T 21623-2008: Dangerous goods -- Viscosity test for of flammable viscous liquids

---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.Viscosity test for of flammable viscous liquids ICS 13.300 A80 National Standards of People's Republic of China Dangerous flammable viscous liquid Viscosity Test Method 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 on the Transport of Dangerous Goods. Manual of Tests and Criteria" (fourth revised edition), its consistency Cheng Degree is not equivalent. The standards for the technical content of the above-mentioned full agreement on a standard text format according to GB/T 1.1-2000 do Editorial changes. This standard is managed by the National Standardization Technical Committee chemicals dangerous (SAC/TC251) and focal points. This standard is drafted by. Jiangsu CIQ. Participated in the drafting of this standard. the Chemical Institute of Standardization, Beijing Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Liu Junfeng, Zhang Jun Xi, Wang Xiaobing, Xu Si bridge, Liu Chuan, Tangshu Tian GEOPHYSICAL PROSPECTING FOR. This standard was first formulated. Dangerous flammable viscous liquid Viscosity Test Method

1 Scope

This standard specifies the viscous liquid viscosity test instruments and equipment, showing the steps and results. This standard applies to paints, enamels, varnishes, adhesives and polishes like a flash point below 23 ℃ of viscous liquid.

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 19458 safety inspection of hazardous properties of dangerous goods - General specifications GB 19521.2 flammable liquid inspection of hazardous properties of dangerous goods safety regulations ISO 2431 Paints and varnishes - Determination of flow time using flow cups United Nations "on the Recommendations on the Transport of Dangerous Goods. Manual of Tests and Criteria" (fourth revised edition)

3 Terms and Definitions

GB 19458, GB 19521.2, ISO 2431 and the United Nations "on the Recommendations on the Transport of Dangerous Goods. Manual of Tests and Criteria" (p. Four Rev.) established the following terms and definitions apply to this standard. 3.1 Paints, enamels, varnishes, adhesives and polishes like a flash point below 23 ℃ of viscous liquid.

4 principle of the method

ISO standard effluent sample into the cup, when measured 23 ℃ to flow through.

5 instruments and equipment

a) ISO standard flow cup nozzle diameter 4mm or 6mm; b) thermometer with an accuracy of 0.2 ℃, indexing is 0.1 ℃; c) stopwatch, dividing the value of 0.5s, accuracy within 60min 0.2%; d) flat glass plate straight edge blade.

6 steps

6.1 Pretreatment 6.1.1 before the test, dipped in a solvent with gauze or a soft brush to internal standard ISO flow cups wipe clean, especially the spout should be carefully Cleaning. 6.1.2 The sample was maintained in the 23 ℃ ± 0.5 ℃, the sample and mix well. Still more than 2min, the sample may not have bubbles. 6.1.3 According to the viscosity range of the sample, choose a suitable flow cup, the sample flow time between 30s ~ 100s. 6.2 Test 6.2.1 The flow cup on the stand, adjust the level of the bracket screws to flow cups in a horizontal position. 6.2.2 Place a cup enamel cup outflow below, between the cup and its outlet distance should be greater than 100mm. ......

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