Dynasty Chemicals (NingBo) Co., Ltd.
Dynasul Liquid dyes are environmental-friendly liquid sulfuration dyes . Dynasul dyes are sulphur dyes for cotton with good wash fastness.
Sulphur dyes are inexpensive dyes used to dye cotton with dark colors. Dyeing is effected by heating the fabric in a solution of an organic compound, typically a nitrophenol derivative, and sulphide or polysulfide. The organic compound reacts with the sulphide source to form dark colors that adhere to the fabric. Sulphur Black 1, is our largest selling sulphur dye by volume.