1 Scope
This standard specifies terms and definitions, classification, requirements, testing conditions, test methods, inspection rules, marking, packaging, transport and storage and application guideline of metal zipper.
This standard is applicable to metal zipper (hereinafter referred to as "zipper") and not applicable to special zipper.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 250-2008 Textiles - Tests for Colour Fastness - Grey Scale for Assessing Change in Colour
GB/T 251-2008 Textiles - Tests for Colour Fastness - Grey Scale for Assessing Staining
GB/T 2828.1-2012 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 2829-2002 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability)
GB/T 3920-2008 Textiles - Tests for Colour Fastness - Colour Fastness to Rubbing
GB/T 3921-2008 Textiles - Tests for Colour Fastness - Colour Fastness to Washing with Soap or Soap and Soda
GB/T 8629-2001 Textiles - Domestic Washing and Drying Procedures for Textile Testing
GB/T 8630-2002 Textiles - Determination of Dimensional Change in Washing and Drying
GB 18401 National General Safety Technical Code for Textile Products
GB/T 18746 Zipper Terminology
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 18746 apply.
4 Classification
4.1 Zipper may be classified into finished zipper and chain zipper by type (see Figure 1).
4.1.1 Finished zipper may be classified into open-end zipper and close-end zipper; open-end zipper may be classified into single open-end zipper and double open-end zipper; close-end zipper may be classified into single-head close-end zipper and double-head close-end zipper; double-head close-end zipper may be classified into O-shaped close-end zipper and X-shaped close-end zipper.
4.1.2 Chain zipper refers to long zipper tape.
4.2 Zipper is classified into No. 3, No. 4, No. 5, No. 7, No. 8 and No. 10 zippers by type (see Table 1).
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification
5 Requirements
6 Testing Conditions
7 Test Method
8 Inspection Rules
9 Marking, Packaging, Transport, Storage and Application Guideline
Annex A (Informative) Table of Recommended Metal Zipper Types for Application
Annex B (Informative) Application Guideline for Metal Zippers
