Test Method 172-2010
to Powdered Non-Chlorine Bleach in Home Laundering (Title Change)
in 1988 by AATCC Committee RA60
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 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
1.3 Since the powdered non-chlorine bleaches currently available contain
ingredients other than the powdered non-chlorine 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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