GB/T 6151-2016: Textiles -- Tests for colour fastness -- General principles of testing

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Scope

This Standard provides general information about the methods for testing colour
fastness of textiles for the guidance of users. The uses and limitations of the methods
are pointed out, several terms are defined, an outline of the form of the methods is
given and the contents of the clauses constituting the methods are discussed.
Procedures common to a number of the methods are discussed briefly.
Colour fastness means the resistance of the colour of textiles to the different agents to
which these materials may be exposed during manufacture and their subsequent use.
The change in colour and staining of undyed adjacent fabrics are assessed as fastness
ratings. Other visible changes in the textile material under test, for example surface
effects, change in gloss or shrinkage, are considered as separate properties and
reported as such.
This Standard can be used not only for assessing colour fastness of textiles but also
for assessing colour fastness of dyes. When the method is used for assessing colour
fastness of dyes, the dye is applied to the textile in specified depths of colour by stated
procedures and the textile is then tested in the usual way.
Generally, individual methods are concerned with colour fastness to a single agent, as
the agents of interest in a particular case, and the order of application, will generally
vary. It is recognized that experience and future developments in practice can justify
procedures in which two or more agents are combined.
The conditions in the tests have been chosen to correspond closely to treatments
usually employed in manufacture and to conditions of ordinary use. At the same time,
they have been kept as simple and reproducible as possible. As it cannot be hoped
that the tests will duplicate all the conditions under which textiles are processed or
used, the fastness ratings are interpreted according to the particular needs of each
user. They provide, however, a common basis for testing and reporting colour fastness.

Basic Data

Standard ID	GB/T 6151-2016 (GB/T6151-2016)
Description (Translated English)	Textiles -- Tests for colour fastness -- General principles of testing
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	W04
Classification of International Standard	59.080.01
Word Count Estimation	11,161
Date of Issue	4/25/2016
Date of Implementation	2016-11-01
Older Standard (superseded by this standard)	GB/T 6151-1997
Regulation (derived from)	National Standard Announcement No
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