SF Dyes manufactures Solubilised Sulphur Dyes in Powder Form. SF Dyes offers eco-friendly multi-purpose dyes and chemical dyes. The Solubilised Sulphur Dyes in Powder Form, or Solsul Q dyes are thiosulphuric acid derivates, amorphous, colloidal material of high molecular weight, and have variable composition. Since these dyes are easily soluble in water, relatively smaller quantities of reducing agents are required.
Solubilised Sulphur Dyes in Powder Form are applicable on cellulosic fibres from a reduced bath containing sodium sulphide or other reducing agent. These dyes are virtual non-substantive in water, which makes them unique and can be used for specialized dyeing techniques. Solsul Q has excellent fastness properties except for hypochlorite bleaching. They also have the ability to cover immature cotton, and in this respect are superior to most vat, reactive and direct dyes.