VAT Dyes

The Vat Dyes are water-insoluble dyes, such as indigo and the anthraquinone derivatives, which are used particularly on cellulosic fibers. The Vat Dyes are applied in a soluble, reduced form to impregnate the fiber and then oxidized in the fiber back to its original insoluble form. Vat Dyes are especially fast to light and washing and brilliant colors can be obtained in most shades. Originated in medieval Europe, Vat Dyes were so named because of the vats used in the reduction of indigo plants through fermentation.
Attributes

• Water-insoluble dyes
• Affordable prices
• Originated in medieval Europe