Content:90%
Appearance:White solid
Application:Paper-making Industry;Photographic Industry ;Pharmaceutical intermediates;Brick Making Industry
Grade:Industry grade.Food grade,Pharm grade,Ammonium sulfite is used in the pharmaceutical, food, chemical industry, papermaking, etc. In papermaking industry, it is mainly used for non-wood based pulping (such as straw) to break down lignin in plant fiber.
Item:FOB Qingdao