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

Standard No.

GB/T 39452-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 39452-2020

Replace

GB/T 4689.20-1996

Scope

This standard specifies the method for the determination of the adhesion fastness between the leather finish layer and the leather (or between the finish layer and the finish layer). This standard applies to the test of the adhesion fastness of various types of smooth leather coatings after finishing. This standard applies to leather with a coating thickness not less than 15 μm, and also applies to film leather.

GB/T 39452-2020 Referenced Document

• GB/T 250 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
• GB/T 250-2008 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
• GB/T 39364 Leather—Chemical, physical, mechanical and fastness tests—Sampling location
• GB/T 39364-2020 Leather—Chemical, physical, mechanical and fastness tests—Sampling location
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
• ISO 2419:2012 Leather - Physical and mechanical tests - Sample preparation and conditioning
• QB/T 2707 Leather-Physical and mechanical tests - Sample preparation and conditioning
• QB/T 2707-2018 Leather-Physical and mechanical tests - Sample preparation and conditioning

GB/T 39452-2020 history

• 2020 GB/T 39452-2020 Leather—Physical and mechanical tests—Tests for adhesion of finish
• 1996 GB/T 4689.20-1996 Leather--Determination of adhesion of finish

GB/T 39452-2020 Leather—Physical and mechanical tests—Tests for adhesion of finish has been changed from GB/T 4689.20-1996 Leather--Determination of adhesion of finish.