Standard No.:	QB/T 2171-2014
Chinese Name:	金属拉链
English Name:
Professional Classification:	Y73 Daily-use hardware
Professional Classification:	QB Professional Standard - Light Industry
ICS Classification:	61.040
Issued by:
Issued on:	2014-07-09
Implemented on:	2014-11-01
Status:	VALID
Replace:	QB/T2171-2001
Language:	English
File Format:	PDF
Word Count:	11000 words
Price(USD):	330 (USD)
Delivery:	via email in 1-3 business day

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).