This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage for injection molding zipper.
This standard is applicable to injection molding zipper (hereinafter referred to as "zipper").
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All the standards will be modified, and all parties using this standard shall discuss the possibility of using the latest version.
GB 250-1995 Gray scale for assessing change in colour
GB 251-1995 Gray Scale for Assessing Staining
GB/T 2828-1987 Sampling Procedures and Tables for Lot-by-lot Inspection by Attributes (Apply to Inspection of Successive Lots or Batches)
GB/T 2829-1987 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Stability for Productive Process)
GB/T 3920-1997 Textiles - Tests for Colour Fastness - Colour Fastness to Rubbing
GB/T 3921.3-1997 Textiles-Tests for colour fastness to washing: Test 3
3 Product Classification
3.1 Product type (see Figure 1)
3.1.1 Products can be classified into the polyformaldehyde, nylon, etc. by the zip teeth material.
