Sodium Tripolyphosphate (STPP)
Chemical Formula :Na5P3O10
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STPP 96%Min
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Industry Grade
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Food Grade
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Purity (Na5P3O10)% ≥
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96
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96
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P2O5 %≥
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57.00
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57
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Iron (Fe) %≤
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0.01
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-----
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PH of 1% water solution
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9.2-10.0
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9.5-10
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Water insoluble Matter %≤
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0.15
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0.05
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Whiteness
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90
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85
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Sulfate%
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0.4% MAX
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|
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Type I %
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5-40
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10-60
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Density(g/cm3 )
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0.62-0.9
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0.65-0.85
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Appearance : white powder or crystal
Pacakge : 25 kgs net kraft paper bag or plastic woven bag, 20 tons in a 20’FCL
Usage:it can be used in food additives. In Industry, it is the main additive in synthetic
detergents, soap synergistic agent,industrial water softener, leather pertanning agents,
dyeing auxiliaries, oil sludge control agents. Is also a catalyst in organic synthesis as well
as for refined petroleum products, pharmaceuticals and synthetic rubber and so on.