GB/T 8630-2002 in English

《GB/T 8630-2002纺织品 洗涤和干燥后尺寸变化的测定》由TC209（全国纺织品标准化技术委员会）归口，主管部门为中国纺织工业联合会。
本标准规定了纺织品洗涤和干燥后尺寸变化的测定方法。本标准适用于测定织物、服装和其他纺织制品。解释纺织制品或易变形材料的试验结果时需考虑各种因素。

1 Scope

This standard specifies the determination of dimensional change of textiles in washing and drying.
This standard is applicable to determine fabrics, garments and other textile articles.
Various factors shall be considered during explaining test results of textile articles or proteiform materials.

2 Normative References

The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent modification to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
GB 6529 "Textile-Standard Atmospheres for Conditioning and Testing" (GB 6529-1986, eqv ISO 139:1973)
GB/T 8628 "Textiles-Preparation, Marking and Measuring of Fabric Specimens and Garments in Tests for Determination of Dimensional Change"(GB/T 8628-2001, eqv ISO 3759:1994)
GB/T 8629 "Textiles-Domestic Washing and Drying Procedures for Textile Testing" (GB/T 8629-2001, eqv ISO 6330:2000)

3 Principle

The specimen shall be of conditioning and measured with dimension under specified standard atmosphere before washing and drying, and then again after specimen drying and the dimensional change ratio of specimen shall be calculated.

4 Equipments and Reagents

They shall be implemented according to the relevant specifications of GB/T 8628 and GB/T 8629.

Contents
Foreword I
1 Scope
2 Normative References
3 Principle
4 Equipments and Reagents
5 Atmospheric Conditions
6 Test Specimen
7 Test Procedures
8 Result Representation
9 Test Report
Annex A (Informative) Confidence Limit of Average Dimensional Change Ratio of Fabrics