Sodium Tripolyphosphate(STPP) Industrial Grade
Specification:
Na5P3O10: 94.0%Min               
P2 O 5: 57.0%Min                   
Water Insoluble Matter: 0.15%Max      
Iron(Fe): 0.015%Max                  
PH value (1% water solution):  9.2-10.0 
Whiteness:  92%Min                  
Ignition loss: 1.0                      
density (g/cm3): 0.35-0.9               
Phase I: 10-30                        
Packing: 25kg/bag, 20MT/20FCL        

Use: auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry.