Public Notic

Dear customers, Our company has successfully developed and manufactured a new type PAC,spray dried light yellow powder which is better than normal light yellow powder in spec and solution and much cheaper than our spray dried white powder. Please contact us for the picture which shows the solution of each item. Oct 6,2008

Sodium tripolyphosphate (STPP)

Product Name: sodium tripolyphosphate (STPP);
Other Names: sodium triphosphate, tripoly pentasodium triphosphate
Appearance: White powder or granules.
Formula: Na5P3O10
Boiling Point: 1000 C
Melting Point: 622 C
Specific Gravity: >1.5 (water = 1)
PH: 9.2 - 10.0 (1% solution)
Solubility in water: 150 g/l (25 deg C)
Sodium tripolyphosphate,stpp %
≥96
Purity%
≥57.0
Water insoluble matter %
≤0.10
Fe%
≤0.007
Whiteness %
≥85
PH
9.2--10.0
Granularity %
≤5.0
Apparent density g/ml
0.35-0.99
Content of I type%
5--40
Packing: plastic-lined woven bag, n.w.25kg
Annual output: 30,000 MT
Properties and uses: white powder, mainly used as synthetic detergent, water-softening agent, dispersant of drilling mud and mineral floating, catalyst of organic synthesis.
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