Test Method 141-2009
of Basic Dyes for Acrylic Fibers
in 1974 by AATCC Committee RA87
Purpose and Scope
In the dyeing of acrylic fibers with basic dyes, the classic parametere.g.,
the time of the half-dyeingof individual dyes do not give a true indication
of their dyeing behavior in admixture with other basic dyes.
basic dyes show virtually no migration in acrylic fibers under normal dyeing conditions,
compatibility is of major importance in selecting dye combinations with optimum
level dyeing behavior.
1.2 This test method is intended to determine
the behavior of a dye in relation to its compatibility when applied to acrylics.
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