AATCC 172 Colorfastness to Powdered Non-Chlorine Bleach in Home Laundering
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AATCC 172 Document Information:
Title
Colorfastness to Powdered Non-Chlorine Bleach in Home Laundering
The American Association of Textile Chemists and Colorists
Publication Date:
Jan 1, 2007
Scope:
Purpose and Scope
This test method is designed to evaluate the colorfastness to
powdered non-chlorine bleach in home laundering of textiles which
are expected to withstand frequent laundering. The fabric color
changes resulting from the powdered non-chlorine bleach, detergent
solution and abrasive action of five home launderings are
evaluated.
First establish the level of performance with powdered
non-chlorine bleach and if an effect is found, then retest with
detergent alone. It may be necessary to use a water only wash to
separate the effects of components like hardness, pH or chlorine
content.
Since the powdered non-chlorine bleaches currently available
contain ingredients other than the powdered nonchlorine bleach;
such as fluorescent whitening agents, bluing, etc., it is the total
effect of these chemicals on the color change that is being
evaluated.
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