GB/T 37889-2019 English PDF

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GB/T 37889-2019: Rubber-or plastics-coated fabrics - Test method for liquid contamination
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37889-2019	119	Add to Cart	3 days	Rubber-or plastics-coated fabrics - Test method for liquid contamination	Valid

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Basic data

Standard ID: GB/T 37889-2019 (GB/T37889-2019)
Description (Translated English): Rubber-or plastics-coated fabrics - Test method for liquid contamination
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G42
Classification of International Standard: 59.080.40
Word Count Estimation: 6,635
Date of Issue: 2019-08-30
Date of Implementation: 2020-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37889-2019: Rubber-or plastics-coated fabrics - Test method for liquid contamination

---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.
Rubber-or plastics-coated fabrics - Test method for liquid contamination ICS 59.080.40 G42 National Standards of People's Republic of China Rubber or plastic coated fabric Liquid contamination test method Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35). This standard was drafted. Institute of Military New Energy Technology, Institute of Systems Engineering, PLA Academy of Military Sciences, Beijing Yanyang New Material Technology Development Co., Ltd., Yantai Sonny Rubber Co., Ltd., Beijing Guanghua Textile Group Co., Ltd., Shenyang Rubber Research and Design Institute Limited company. The main drafters of this standard. Yang Jianxiong, Liu Yanxiu, Gao Weimin, Liao Zhichao, Li Wei, Wang Jianchao, Wang Lina, Cui Huizhen, Li Wanli. Rubber or plastic coated fabric Liquid contamination test method

1 Scope

This standard specifies the test method for liquid contamination caused by rubber or plastic coated fabrics. This standard applies to coated fabrics used to package, store or transport liquid cargo.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 24133-2009 Standard environment for adjustment and testing of rubber or plastic coated fabrics GB/T 24136 Determination of liquid resistance of rubber or plastic coated fabrics

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Liquid contamination liquidcontamination When in contact with the liquid to be tested, some of the components in the coated fabric are caused to migrate or are dissolved into the liquid to be tested, causing the properties of the liquid to be tested. The characteristics of the indicator changes. 3.2 Coating fabric causing liquid contamination degreeofliquidcontaminatedbycoatedfabric The coated fabric per unit area is contacted with a certain volume of the tested liquid at a certain temperature for a certain period of time, resulting in the liquid-related performance index of the measured liquid. The extent of the change.

4 Principle

The surface of the coated fabric of a certain area is contacted with the liquid to be tested for a certain period of time, and part of the components in the surface layer of the coated fabric are migrated or Dissolved into the liquid to be tested, resulting in changes in the performance index of the measured liquid. Judging coating woven by detecting changes in the performance index of the liquid to be tested The contamination of the object with the liquid being tested.

5 equipment

5.1 Liquid holding cup The structure of the liquid holding cup is shown in Figure 1. The liquid holding cup should be made of stainless steel, aluminum alloy, etc., which does not react with the liquid to be tested. Quality production. The test cup should be machined with a seal line. ......

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