The storage of garments made with component parts of more than
one shade sometimes results in the transfer of dye from one area to
another, normally from the darker to the lighter shade. This
phenomenon is distinct from sublimation because it occurs below the
sublimation temperature of dyes as well as with nonsubliming
Dye transfer occurs when garments are folded with different
shades in intimate contact with each other. Normally the amount of
dye transferred is intensified when moisture is present, and thus
the problem is more severe during warm, humid weather or when
garments are steamed immediately before storage. Storage in plastic
bags tends to maintain the initial relative humidity of the garment
environment and can aggravate or reduce transfer depending on the
condition of the fabric when it enters the bag.
This test method is intended to estimate if color transfer might
be expected to occur during prolonged periods of storage. In
general, no problems will be expected under normal conditions of
storage or time-delay, if color transfer does not occur under the
conditions specified in Section 7 (Procedure).
This test method may be used also to assess potential color
transfer problems that relate to finishing. Some dyes are
inherently more prone to transfer than others, and some chemical
finishes and finishing conditions accelerate transfer.
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