Sulphur Dyes Manufacturers in India
One of the best sulphur dyes manufacturers in India, Manufacturing Sulfur dyes are mainly used for the dyeing of textile cellulosic materials, or blends of cellulosic fibers with synthetic fibers such as acrylic fibers, polyamide and polyester. Sulfur dyes are dyes made up of sulfur bonds and are insoluble in water. Certain sulfur dyes out that are partially soluble when dissolved in water but have no direct affinity for cellulose fibers.
To make them substantive, they are converted to soluble forms by treating them with a reducing agent like an aqueous Na2S solution. Sulfur dyes are quite beneficial to use as they have a good light fastness and produce highly pigmented bright colours.
Although they are not suitable for wool, they can be used to dye all other sorts of textiles like acrylic fibers, polyamide, and polyester. Inexpensive and simple to make Best sulphur dyes manufacturers in India often do not recommend the use of sulfur dyes for are not suitable for products that are bleached with hypochlorite due to their low fastness to chlorine.
Since the dye is usually insoluble in water, it does not seep when washed in water and does not stain other clothes. Most colors are available, especially deep shades like rich blacks and navy blues.
When mixed with the reducing agent the dyes are absorbed on the fiber surface and then reconverted back to the original water-insoluble dye form by oxidation. In addition to cellulose fibers, sulfur dyes can also be used to dye staple fibers and yarn.
Aslo Read: Pigment Dyes Manufacturers in India
