GB/T 21396-2022: Footwear - Test methods for whole shoe - Upper sole adhesion

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Scope

This Document describes a test method for determining the resistance to separation of the upper
from the outsole, for separating adjacent layers of the outsole or for causing tear failure of the
upper or the sole. It also defines conditions of ageing that can be used for production control.
This Document is applicable to all types of footwear (cementing, vulcanization, injection
moulding, etc.) where the evaluation of sole adhesion on the upper is needed and where the
upper is continuously assembled (closed shoe).
NOTE 1: In all cases the objective is to test the bond strength nearest to the edge of the assembly.
NOTE 2: The test need not be carried out when the bond has been made by grindery (using, for example,
nails or screws) or stitching.

Basic Data

Standard ID	GB/T 21396-2022 (GB/T21396-2022)
Description (Translated English)	Footwear - Test methods for whole shoe - Upper sole adhesion
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Y78
Classification of International Standard	61.060
Word Count Estimation	12,175
Date of Issue	2022-10-12
Date of Implementation	2022-10-12
Older Standard (superseded by this standard)	GB/T 21396-2008
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration