Acid dye and Acid Dye Blockersin CarpetsAcid dyes are negatively charged anionic dyes primarily used on nylon as well as wool and other animal fibers. Seldom used on cotton since this process requires a mordant. These are also the dyes commonly used to artificially dye drinks, candies, etc., including Kool-Aid® Acid dye blockers are negatively charged anionic naphthalated phenolic resins that act like colorless dyes and cause nylon fibers to resist most common household food and beverage stains containing acid dyes by occupying remaining dye sites. Sometimes called stain blockers, acid dye blockers work by blocking the positively charged nylon dye sites, thus preventing (theoretically) staining by acid dyes. Acid dye resistance is the additional property built into fifth generation nylon fiber. Note: Nylon stain resist warranties are most often covered under installations in owner-occupied residences. Related Products:Related Articles and Information:
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