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STPP

Sodium Tripolyphosphate(STPP)

Chemical formula:Na5P3O10
Molecular weight:367.88
Property:White powder.
Technical Specifications:

 

Index Industrial grade Food grade
Content(Na5P3O10)%≥ 94.0 95.0
Phosphorus pentoxide %≥ 57.0 57.0
Water-insoluble %≤ 0.15 0.05
Iron(Fe) %≤   0.01
PH value(1% water solution) 9.2-10.0 9.5-10.0
Heavy metal (Pb) %≤   0.001
Arsenic (As) %≤   0.0003
Fluoride (F) %≤   0.003
Granularity 
16mesh%≥ 
35mesh%≥ 
100mesh%≥
Powder
100mesh%≥
95
90
40



95.0
90.0
40.0



90.0
White content %≥ 90 90.0
 
 

Uses: Mainly used as synthetic detergent ingredient.
Packing:Plastic woven bag. Net weight 25/50Kg.

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