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Contact Person Ms. fengxia
No.455GONGNONG Road, shijiazhuang, hebei
Specification of Sodium Tripolyphosphate(STPP) : Indexes Industrial Grade Food Grade Na5P3O*0 *4.0%Min *4.0%Min P2 O 5 *7.0%Min *7.0%Min Water Insoluble Matter 0.*5%Max 0.*4%Max Iron(Fe) 0.**5%Max 0.**6%Max PH value (1% water solution) 9.***0.0 9.***0.0 Heavy Metal (as Pb) 0.**1%Max Arsenic (As) 0.***3%Max Fluoride (F) 0.**3%Max Whiteness *2%Min *2%Min Ignition loss 1.0 / density (g/cm3) 0.***0.9 0.***0.9 Phase I ****0 ****0 Chemical formula:Na5P3O*0 Molecular weight:**7.*6 Properties: White powder
