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Colorfastness to Powdered Non-Chlorine Bleach in Home Laundering
| Published by | Publication Date | Number of Pages |
| AATCC | 2016 | 4 |
AATCC 172 – Colorfastness to Powdered Non-Chlorine Bleach in Home Laundering
1.Purpose and Scope
1.1This 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.
1.2First 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.
1.3Since 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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