GB/T 3903.43-2008: Footwear -- Test methods for uppers, lining and insocks -- Seam strength

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Scope

This Part of GB/T 3903 specifies two test methods for determining the seam strength
of uppers, lining or insocks, in order to assess the suitability for the end use.
This Part is applicable to various kinds of uppers, lining and insocks of footwear.
Two methods are.
- Method A. Needle perforations. For determining the force required to pull a row of
needles through an upper material, in a direction perpendicular to the row.
- Method B. Stitched seams. For determining the breaking strength of stitched
seams in shoe upper and lining materials. This method is applicable to seams cut
from shoes or made up to simulate footwear constructions.

Basic Data

Standard ID	GB/T 3903.43-2008 (GB/T3903.43-2008)
Description (Translated English)	Footwear -- Test methods for uppers, lining and insocks -- Seam strength
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Y78
Classification of International Standard	61.060
Word Count Estimation	10,149
Date of Issue	2008-12-30
Date of Implementation	2009-09-01
Quoted Standard	GB/T 16825.1-2008; GB/T 22049; GB/T 22050
Adopted Standard	ISO 17697-2003, IDT
Regulation (derived from)	National Standard Approval Announcement 2008 No.24 (Total No.137)
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 determination of uppers, two test methods within the liner or pad suture strength. The purpose is to assess the suitability of the final product. This section applies to a variety of footwear with uppers, lining and pads. Two test methods are: -Method A: pinhole. A row of measuring the force needed to pull the pin from the help material, applying a force perpendicular to the direction of the needle bar. -Method B