Gayatri International

Sulphur black, also known as Sulfur Black 1, is a type of sulfur dye that is produced by reacting 2,4-dinitrophenol with sodium sulfide in hot water. It's commercially important due to its ease of manufacture and ability to be dissolved in hot, aqueous solutions of sodium sulfide

Sulphur black dyes are a class of dyestuffs known for their ability to impart black color to cellulosic fibers like cotton. They are water-insoluble but become soluble in sodium sulfide solutions, allowing them to be applied to fabrics. Sulphur dyes are a cost-effective and easy-to-use option, especially for dyeing cotton. 

Sulphur dyes are a type of water-insoluble vat dye known for their affordability and good wash/light fastness, particularly for dyeing cellulosic fibers like cotton. They are commonly used to produce shades of black, brown, and dark blue. Sulphur dyes are applied to fabrics through a process that involves reducing the dye to a soluble form, then oxidizing it back to its insoluble form on the fiber. 

99% Blue BRN Sulphur Dye is a water-insoluble, sulfur-based dye used to create deep blue shades in textile applications, particularly for cellulosic fibers like cotton. It's known for its excellent wash fastness and durability, making it suitable for dyeing denim and other fabrics where color retention is crucial. 

Sulphur black manufacturers produce a specific type of sulphur dye used primarily for dyeing cotton and regenerated cellulose fabrics. These dyes are known for their water insolubility and ability to produce a range of black shades, often used in denim and other casual wear. 

Sulphur Black BR 200 is a textile dye that comes in shiny black flakes or granules. It's known for its uniform and stable color, good dyeing permeability, and is commonly used for dyeing cotton, rayon, and other blended fabrics.