Mordant/Indigo - Fructose
Wingham Wool Work
£4.25
Fructose Crystalline is a natural reducing agent used in the preparation of sustainable indigo vats. Made from 100% pure crystalline fruit sugar, it offers a gentle, eco-friendly alternative to synthetic reducers such as sodium hydrosulphite, allowing indigo to be reduced and used without harsh chemicals. In an indigo vat, fructose works by gradually consuming oxygen, enabling the indigo pigment to convert into its soluble “leuco” form. This process creates a stable, easy-to-manage vat that produces rich, lasting blues without releasing harmful by-products. Fructose is widely used in so-called
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