1 Scope
This standard specifies the test methods for determination of relaxation dimensional change and felting dimensional change to washing of wool textiles.
This standard is applicable to water washable (either hand washing or machine washing) wool textiles and wool fabrics.
2 Normative References
The following standards are indispensable for the application of this standard. For dated reference, only the edition cited applies. For undated references, the latest edition (including any amendment) applies.
GB/T 6529 Textiles-Standard Atmospheres for Conditioning and Testing
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 8629-2001 Textiles - Domestic Washing and Drying Procedures for Textile Testing
FZ/T 70008 Testing Method for Cover Factor of Wool Knitted Fabrics
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
Relaxation dimensional change
Dimensional change of sample in the washing due to release of manufacturing stress.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Principle
5 Instruments, Materials and Tools
6 Atmosphere for Conditioning and Testing
7 Specimen Preparation
8 Test Procedure
9 Calculation
10 Test Report
Appendix A (Normative) Cover Factor of Knitting and Braiding Wool Piece
Appendix B (Normative) Dimensional Markings for Woolen Trousers with Seam at Both Sides and Multi-piece Woolen Skirt
Appendix C (Normative) Concentration of Detergent
