STPP:
Product Name: STPP
(1)Industrial Grade
Na5P3O10---------------------------------94.0%Min
P2O5--------------------------------------- 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

(2)Food Grade:
Na5P3O10---------------------------------------94.0%Min
P2 O 5---------------------------------------57.0%Min
Water Insoluble Matter---------------- 0.04%Max
Iron(Fe)---------------------------------------0.006%Max
pH value (1% water solution)---------9.5-10.0
Heavy Metal (as Pb)---------------------0.001%Max
Arsenic (As)--------------------------------0.0003%Max
Fluoride (F)---------------------------------------0.003%Max
Whiteness---------------------------------------92%Min
Density (g/cm3)----------------------------------0.35-0.9
Phase I---------------------------------------10-30

Product Name: Sodium Tripolyphosphate(STPP)
Product ID: 121422165216
Specifications: 96% 94%
Product Remarks: Food grade Tech grade
Product Category: Inorganic chemical
Packing: In 25/50kg PP bags or 1mt jumbo bag; 22mt 1x20'FCL
Application: As an oil contamination resistance agent in paper production. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuff from milk or soybeans, It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may aslo serves as softener or densifier in foodstuff industry.

If you need the product at present ,you can contact me .my email is zhaoxinyanno1 at yahoo dot com.