GB/T 251-2008: Textiles -- Tests for colour fastness -- Grey scale for assessing staining

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Scope

This Standard specifies the grey scale and its use method for assessing the degree of
staining of the lining fabric in the tests for color fastness of textiles. This Standard
provides an accurate color measurement interval of grey scale, which may be used as
the permanent record for the comparison of the newly produced grey scale and the
grey scale that may change.

Basic Data

Standard ID	GB/T 251-2008 (GB/T251-2008)
Description (Translated English)	Textiles -- Tests for colour fastness -- Grey scale for assessing staining
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	W04
Classification of International Standard	59.080.01
Word Count Estimation	5,522
Date of Issue	2008-08-06
Date of Implementation	2009-06-01
Older Standard (superseded by this standard)	GB 251-1995
Adopted Standard	ISO 105-A03-1993, 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 textile color fastness assessed staining of adjacent fabrics extent. 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.