Stpp na5p3o10
Mw: 367.86
Low-density :0.35-0.5g/cm3, medium-density :0.51-0.65g/cm3, high-density :0.66-0.9g/cm3
Appearance: white granular or powder
Sodium tripolyphosphate in line with industry requirements in the following table (gb9983-2004)
Item standard
Na5p3o10 % min 95.0
P2o5 % min 57.0
Water insoluble % max 0.05
F % max 0.003
As % max 0.00013
Heavy metals (pb) % max 0.001
Chloride (cl) % max 0.025
Sulphate (so4) % max 0.4
Whiteness % min 85
Ph(1% aqueous solution) 9.5-10.0
Ph value (1% solution) 9.2-10.0
Particle size through 1.00mm sieve screening test rate is not less than 95%
25kg/bag