AATCC 61 Method 2A - Colorfastness

AATCC 61 is used to evaluate the colorfastness to laundering of textiles expected to withstand frequent launderings. This method allows an evaluation of color loss and surface change by using a detergent solution and abrasive action- the method specified in ASTM F1506 (Method 2A) is used to evaluate colorfastness in an accelerated manner to replicate 5 home laundering procedures at a medium or warm setting (100F° +/- 5°F).

Test specimens are attached to multi-fiber swatches and stainless steel balls are loaded into stainless steel canisters to replicate abrasion. The canisters are then loaded into the machine and the 45 minute test begins. After laundering, specimens are dried, conditioned, and evaluated with both the Gray Scale for Color Change and the Gray Scale for Staining.

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