Standard No.:	GB/T 8629-2017
English Name:	Textiles―Domestic washing and drying procedures for textile testing
Chinese Name:	纺织品 试验用家庭洗涤和干燥程序
Chinese Classification:	W04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	59.080.01 59.080.01     Textiles in general 59.080.01
Issued by:	MOHURD and AQSIQ
Issued on:	2017-05-12
Implemented on:	2017-12-1
Status:	valid
Superseding:	GB/T 8629-2001 Textiles-Domestic washing and drying procedures for textile testing
Language:	English
File Format:	PDF
Word Count:	10000 words
Price(USD):	250.0
Delivery:	via email in 1 business day

1 Scope 1.1 This standard specifies domestic washing and drying procedures for textile testing. The procedures are applicable to textile fabrics, garments or other textile articles which are subjected to appropriate combinations of domestic washing and drying procedures. This standard also specifies the reference detergents and ballasts for the procedures. 1.2 This standard specifies the following washing procedures: a) 13 different washing procedures based on the use of the reference washing machine Type A: horizontal axis, front-loading type; b) 11 procedures based on the use of the reference washing machine Type B: vertical axis, top-loading agitator type; c) 7 procedures based on the use of the reference washing machine Type C: vertical axis, top-loading pulsator type. 1.3 Each washing procedure represents a single domestic wash. 1.4 This standard also specifies six drying procedures: A — Line dry B — Drip line dry C — Flat dry D — Drip flat dry E — Flat press F — Tumble dry Note: When decided through consultation between all parties concerned, oven drying procedure may be used, see also Annex Q. 1.5 A complete test consists of a washing and drying procedure.

Foreword III 1 Scope 2 Normative References 3 Terms and Definitions 4 Principle 5 Apparatus and Materials 5.1 Automatic washing machines 5.2 Tumble dryers 5.3 Electrically (dry) heated flat-bed press 5.4 Line drying 5.5 Drying racks 5.6 Ballasts 6 Reagents 6.1 Reference detergents 6.2 Water 7 Conditioning and Testing Atmosphere 8 Wash Load 8.1 Total wash load 8.2 Number of specimens 8.3 Selection of ballast 8.4 Ratio of load to ballast 9 Washing Procedure 10 Drying Procedure 10.1 Open-air dry 10.2 Tumble dry 11 Test Report Annex A (Normative) Specification for Reference Washing Machine Type A — Horizontal Axis, Front-loading Type Annex B (Normative) Specification for Wash Procedures for Reference Washing Machine Type A Annex C (Normative) Specification for Reference Washing Machine Type B — Vertical Axis, Top-loading Agitator Type Annex D (Normative) Specification for Washing Procedures for Reference Washing Machine Type B Annex E (Normative) Specification for Reference Washing Machine Type C — Vertical Axis, Top-loading Pulsator Type Annex F (Normative) Specification for Washing Procedures for Reference Washing Machine Type C Annex G (Normative) Specification for Tumble Dryers Annex H (Normative) Specifications for All Ballast Types Used in Washing Annex I (Normative) Nominal Percentage Composition for Non-phosphate Powder Reference Detergent Annex J (Normative) Nominal Percentage Composition for Non-phosphate Reference Detergent Annex K (Normative) Nominal Percentage Composition for Non-phosphate Reference Detergent Annex L (Normative) Nominal Percentage Composition for Reference Detergent Annex M (Normative) Nominal Percentage Composition for Non-phosphate Liquid Reference Detergent Annex N (Normative) Nominal Percentage Composition for Powder Reference Detergent Annex O (Normative) Distribution and Mixing of Reference Detergent 2, 3 or Annex P (Normative) Determination of Cycle Drying Time for Tumble Dryers With a Timer Device Annex Q (Informative) Drying Procedure — Oven Dry