Basic dyes
Basic dyes: a class of positive-ion-carrying dyes known for their brilliant hues. Basic dyes arecomposed of large-molecule, water-soluble salts that have a direct affinity for wool and silk and can be applied to cotton with a mordant. The fastness of basic dyes on these fibers is very poor. Basic dyes are also used on basic-dyeable acrylics, modacrylics, nylons, and polyesters, on which they exhibit reasonably good fastness.
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Author of the text: Extract from Textile glossary © 2001, Celanese Acetate LLC
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