... auxiliary of synthetic wash, soap synergistic agent, 2.also widely used in gum synthesis STPP Chemical name:Sodium tripolyphosphate Chemical formula: ... water, aqueous solution appears acid. It is a kind of inorganic surface active agent.2. Specifications: No.ItemTop ... leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate ...