Sodium Tripolyphosphate STPP 94% for detergent 1.Industrial grade and food grade 2.ISO,CIQ,SGS, ... papermaking; Retarding agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemical reagent; 2). Food grade: Mainly used ... in ventilated and dry place. Sodium Tripolyphosphate STPP 94% for detergent