GB/T 21396-2008: Footwear -- Test methods for whole shoe -- Upper sole adhesion

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Scope

This Standard describes a test method for the determination of the resistance to
separation of the upper from the outsole or to separate adjacent layers of the outsole
or to cause tear failure of the upper or the sole is measured. It also defines conditions
of ageing that can be used for production control.
It applies to all types of footwear (cementing, vulcanisation, 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 should be 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 21396-2008 (GB/T21396-2008)
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	11,176
Date of Issue	2008-02-03
Date of Implementation	2008-08-01
Quoted Standard	GB/T 16825.1; EN 12222
Adopted Standard	ISO 17708-2003, IDT
Regulation (derived from)	National Standard Approval Announcement 2008 No.2 (Total No.115)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the upper stripped from the outsole, composite layer separation between the soles, Test methods for uppers or soles tear damage. This standard also specifies the conditions for production control aging. This standard applies to all the needs of the soles and uppers measuring adhesion strength and help the whole (closed shoes) Footwear (Adhesive shoes, vulcanized shoes, injection molded shoes, etc.).