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sodium tripolyphosphate(STPP)
sodium tripolyphosphate(STPP)
Product name : sodium tripolyphosphate(STPP)
Item :
Details :
 sodium tripolyphosphate STPP

 

Sodium tripolyphosphate STPP is used as high efficient additive of water softner and detergent in cooling water treatment in power station, vehicle, boiler and fertilizer plant. As flotation agent in ore dressing industry and as sedative in pharmaceutical. And also used in fabric dyeing, leather, paper-making, soil analysis, radition chemical, analytical chemistry, etc.


Sodium tripolyphosphate STPP specification


Na5P3O10

94% min

95.1%

P2O5

57%min

57.1%

Water Insoluble

0.10%max

0.04%

Iron (Fe)

0.01%max

0.0070%

Ph (1% Solution)

9.2 --10.0

9.4

Whiteness

90%min

91%

Finess: Passing through 0.5 Trv-sieve

90%min

98.9%

Bulk density

0.8-1.0g/cm3

0.82

Phase I

10-35%

27%

Appearance

White powder

Pass


Packing: