Acid dyes
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Description
An acid dye is a dye, chemically a sodium (less often-ammonium) salt of a sulfuric, carboxylic or phenol organic acid. Acid dye is soluble in water and possesses affinity for amphoteric fibers while lacking direct dyes' affinity for cellulose fibers. When dyeing, ionic bonding with fiber cationic sites accounts for fixation of colored anions in the dyed material. Acids are added to dyeing baths to increase the number of protonated amino-groups in fibers.
We manufactures and exports acid dye.
We manufactures and exports acid dye.
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Acid dyes