This standard specifies the method for measuring the adhesion fastness between the leather finish layer and the leather (or between the finish layer and the finish layer). This standard is applicable to all kinds of leather after finishing, and this standard is also applicable to film leather.
GB/T 4689.20-1996 history
2020GB/T 39452-2020 Leather—Physical and mechanical tests—Tests for adhesion of finish
GB/T 4689.20-1996 Leather--Determination of adhesion of finish was changed to GB/T 39452-2020 Leather—Physical and mechanical tests—Tests for adhesion of finish.