SRL Ferrous Sulphate Heptahydrate (99%)

Ferrous Sulphate Heptahydrate is used in natural dyeing to darken colours, increase depth and create earthy, muted tones. It is commonly used after dyeing as a colour modifier and should be used sparingly, particularly on protein fibres. Manufactured as a laboratory-grade chemical, it provides excellent purity and consistency for natural dyeing. Suitable For: ✅ Natural Dyeing ✅ Colour Modification ✅ Wool, Silk & Cellulose Fibres ❌ Fiber Reactive Dyeing ❌ Acid Dyeing ❌ Indigo Vat Dyeing Alternative Names: Iron Mordant, Iron Sulphate, Copperas Origin of Brand: India Origin of Manufacturer: India