GB/T 37890-2019Rubber-or plastics-coated fabrics—Test method for wicking of the cloth (English PDF)
橡胶或塑料涂覆织物 芯吸性能测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 30, 2019
Implementation date
July 1, 2020
Scope
GB/T 37890-2019 is the English-translated version of 橡胶或塑料涂覆织物 芯吸性能测试方法.
GB/T 37890-2019 is the Chinese standard "Rubber-or plastics-coated fabrics—Test method for wicking of the cloth". Its scope clause reads: This standard specifies methods for testing the wicking properties of rubber or plastic coated fabrics.
This standard applies to single or double coated rubber or plastic coated fabrics.
This standard method A is applicable to the production of coated fabrics for non-liquid filled products, such as tarpaulins, advertising cloths, tarpaulins, booms, etc.; B is suitable for the production of coated fabrics for liquid-filled products, such as soft storage and transportation oil (water) tanks, rubber dams, and the like. Its clauses include terms and definitions; principle; test conditions.
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Document preview — GB/T 37890-2019
National Standard of the People's Republic of China
- ICS
- 59.080.40
- Classification
- G 42
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 test conditions
1 Scope
This standard specifies methods for testing the wicking properties of rubber or plastic coated fabrics.
This standard applies to single or double coated rubber or plastic coated fabrics.
This standard method A is applicable to the production of coated fabrics for non-liquid filled products, such as tarpaulins, advertising cloths, tarpaulins, booms, etc.;
B is suitable for the production of coated fabrics for liquid-filled products, such as soft storage and transportation oil (water) tanks, rubber dams, and the like.
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 6682 Analytical laboratory water specifications and test methods
GB/T 24133 Standard environment for adjustment and testing of rubber or plastic coated fabrics
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Wicking
The movement of the liquid by the capillary action of the fibers along the walls of the coated fabric fibers.
3.2 Wicking height
A measure of the capillary effect of a fiber reinforced layer, the height at which the liquid moves freely upward along the fiber reinforced layer over time.
3.3 Wicking speed wickingrate
The distance the liquid moves along the fiber reinforced layer per unit time at a set pressure.
4 Principle
One end of the coated fabric sample is immersed in the dyeing solution, and the fiber reinforced layer is dyed by wicking, and is dyed according to the fiber reinforced layer for a certain period of time.
The length determines the wicking properties of the coated fabric.
5 test conditions
5.1 Test liquid
The liquid specified in the product specification, or the use of three grades of water in accordance with GB/T 6682, for easy observation and measurement, can be added in the third grade water […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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