Sodium Tripolyphosphate(STPP) Industrial Grade
 

Specification:

 Na5P3O10-----------------------------------------------------------------    94.0%Min

P2 O 5-----------------------------------------------------------------------------57.0%Min

Water Insoluble Matter---------------------------------------------------------------------------- 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/20’FCL