GB/T 39452-2020: Leather - Physical and mechanical tests - Tests for adhesion of finish

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Scope

This Standard specifies the determination method for the adhesion between the
leather finishing layer and the leather (or between the finishing layer and the
finishing layer).
This Standard applies to tests for adhesion of finish of various types of smooth
leather after finishing.
This Standard applies to leather whose coating thickness is not less than 15
μm, as well as film leather.

Basic Data

Standard ID	GB/T 39452-2020 (GB/T39452-2020)
Description (Translated English)	Leather - Physical and mechanical tests - Tests for adhesion of finish
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Y46
Classification of International Standard	59.140.30
Word Count Estimation	13,122
Date of Issue	2020-11-19
Date of Implementation	2021-06-01
Older Standard (superseded by this standard)	GB/T 4689.20-1996
Quoted Standard	GB/T 250; GB/T 6682; GB/T 39364; QB/T 2707
Adopted Standard	ISO 11644-2009, MOD
Regulation (derived from)	National Standard Announcement No. 26 of 2020
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies the determination method for the adhesion fastness between the leather coating layer and the leather (or between the coating layer and the coating layer). This standard is applicable to the adhesion fastness test of various types of smooth leather coatings after finishing. This standard applies to leather with a coating thickness of not less than 15um, as well as film leather.