Sulphur Dyes, Sulphur Black BR,Sulphur Black 1 Sulphur Dyes, Sulphur Black BR,Sulphur Black 1(180%,200%,220%,240%)Characteristics: Lustrous Grains, ... . General properties: This dye belongs to the group of Sulphur Dyes. It is mainly used for dyeing Cellulosic fiber. ... resin finish, Silk, package dyeing and for continuous process. The light fastness of Sulphur Black is very good. Hue. Artificial Light ( ...