GB/T 250-2008: Textiles -- Tests for colour fastness -- Grey scale for assessing change in colour

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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 working standards and
standards that may have changed can be compared.

Basic Data

Standard ID	GB/T 250-2008 (GB/T250-2008)
Description (Translated English)	Textiles -- Tests for colour fastness -- Grey scale for assessing change in colour
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	W04
Classification of International Standard	59.080.01
Word Count Estimation	5,541
Date of Issue	2008-08-06
Date of Implementation	2009-06-01
Older Standard (superseded by this standard)	GB 250-1995
Adopted Standard	ISO 105-A02-1993, IDT
Regulation (derived from)	National Standard Approval Announcement 2008 No.12 (Total No.125)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the gray card and its use in the assessment of textile color fastness of textiles color change. This standard provides a precise measurement of the color sample cards from the gray -level value, can be used as a permanent record for the new production of the gray card and may change the gray card comparison purposes.