A Complete Collection of Commonly Used Chemical Auxiliaries in Jeans Washing
Common auxiliaries for downward bleaching: 1) Sodium metabisulfite: milky white powder. It is used for unbleaching after potassium permanganate solution has reached the bleaching degree when bleaching denim fabric. No need to add hydrogen peroxide for assistance. Contact with sodium metabisulfite China manufacturer to get sodium metabisulfite. 2) Sodium hypochlorite: a light green transparent liquid. Commonly known as floating water. Used for bleach Indigo blue of denim cloth surface. 3) Potassium permanganate: purple crystal. Usually mixed with water to form a liquid state. According to the required proportion of the cloth demand, phosphoric acid, potassium permanganate, and water can be mixed together to form a potassium permanganate solution. Used to bleach the attached pigment (indigo, vulcanization, etc.) of denim cloth surface fiber. 4) Hydrogen peroxide: hydrogen peroxide is used to unbleach after sodium hypochlorite has reached the bleaching degree when bl