1, Stpp 94% for soap, ceremic,detergent 2,we have our own factory 3,Free sample. 4, ... .Application: Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener, tanning agent for leather making ... KG in net bag, 21 MT in the 20'FCL. STPP 94% at price of $630/mt which sold over 1200tons ...