Standard No.:	GB/T 31127-2014
English Name:	Textiles―Tests for colour fastness―Colour fastness to transfer in joints
Chinese Name:	纺织品 色牢度试验 拼接互染色牢度
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:	AQSQA AND SAC
Issued on:	2014-09-03
Implemented on:	2015-3-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	40.0
Delivery:	via email in 1 business day

1 Scope This Standard specifies two test methods for determination of colour fastness transfer in joints of textiles, i.e. washing method and immersion method. This Standard is applicable to all kinds of textiles made by patchwork of deep and light colour fabrics. Other textiles may also refer to the provisions of this Standard. 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 251 Textiles — Tests for Colour Fastness — Grey Scale for Assessing Staining GB/T 1914 Chemical Analytical Filter paper GB/T 6682 Water for Analytical Laboratory Use — Specification and Test Methods FZ/T 01023 Instrumental Assessment of the Degree of Staining of Adjacent Fabrics 3 Principles 3.1 Washing method Place test sample in specified washing solution and perform mechanical stirring under specified bath ratio, time and temperature conditions; after washing and drying, assess the staining of test sample with gray scale for assessing staining or instruments. 3.2 Immersion method