Jaysynth Dyestuff [India] Ltd manufactures Vat Dyes with Round Fastness Properties. Jaysynth Dyestuff [India] Ltd supplies wide range of dyes and pigments. The Vat Dyes with Round Fastness Properties of model name Dynon are derived from anthraquinone and can be applied to cellulosic substrate, either fibre, yarn or fabric. These Vat Dyes with Round Fastness Properties are marketed in water insoluble form. It is necessary to convert them into their soluble "LEUCO" form by reducing them with Caustic Soda and Sodium Hydrosulphite, while applying to cellulosic substrate during dyeing process. At the final stage of dyeing, this soluble form is converted again to insoluble form by Oxidation process followed by soaping treatment.
