... the main auxiliaries for synthetic detergent 3, good quality and performance STPP Sodium Tripolyphosphate25kg pp bag, 23MT/20' ... softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide ... metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process. best quality and tech grade ...