JC/T 2556-2020 English PDF

US$229.00 · In stock
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JC/T 2556-2020: (Method for determination of vinyl acetate content in ethylene-vinyl acetate copolymer modified waterproof board)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JC/T 2556-2020	229	Add to Cart	3 days	(Method for determination of vinyl acetate content in ethylene-vinyl acetate copolymer modified waterproof board)	Valid

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Basic data

Standard ID: JC/T 2556-2020 (JC/T2556-2020)
Description (Translated English): (Method for determination of vinyl acetate content in ethylene-vinyl acetate copolymer modified waterproof board)
Sector / Industry: Building Materials Industry Standard (Recommended)
Word Count Estimation: 10,117
Date of Issue: 2020
Date of Implementation: 2020-10-01
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the determination method of vinyl acetate (VA) content in ethylene-vinyl acetate copolymer (EVA) modified waterproof board, secondary distillation-hydrolysis back titration method and infrared spectroscopy. The secondary distillation-hydrolysis back titration method specified in this standard is suitable for EVA waterproof board with VA content between 1% and 14%, but not for ECB waterproof board. Infrared spectroscopy specified in this standard is applicable to EVA waterproof board and ECB waterproof board with VA content between 3% and 14%. When the double distillation-hydrolysis back titration method and the infrared spectroscopy method are applicable at the same time, the double distillation-hydrolysis back titration method is the arbitration method.

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