Standard No.:	GB/T 250-2008
English Name:	Textiles—Tests for colour fastness—Grey scale for assessing change in colour
Chinese Name:	纺织品 色牢度试验 评定变色用灰色样卡
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:	AQSIQ, SAC
Issued on:	2008-08-06
Implemented on:	2009-6-1
Status:	valid
Superseding:	GB 250-1995 Gray scale for assessing change in colour
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	40.0
Delivery:	via email in 1 business day

1 Scope This standard describes the grey scale for determining changes in colour of textiles in colour fastness tests, and its use. A precise colorimetric specification of the scale is given as a permanent record against which newly prepared grey scale and grey scale that may have changed can be compared.