Reductive cleaner(AX-SF) is a new type of reducing agent, which not only has high-efficiency reducibility and storage stability, but also does not have the unpleasant odor of insurance powder.It is used in conjunction with caustic soda or soda ash, it can be used for dyeing of vat dyes, bleaching of pulp or wool; reduction cleaning and stripping of bad dyeing such as direct dyes, reactive dyes, acid dyes, etc., without causing fiber embrittlement. It is a new environmentally friendly product that replaces sodium hydroxide.