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Sodium Tripolyphosphate (STPP)

Chemical formula:


Molecular weight:


Standard executed: 

GB25566-2010/FCC/E451(I)      GB/T9984-2008


White powder or granule in appearance. Soluble in water. Available in different types according to request, including bulk density (0.5-0.9g/cm3), solubility (10 gram,20 gram in 100 ml water), quick Dissolve, large granular Etc.


1. Isolation of multivalent ions and prevention of oxidation and corrosion. Can also be used as a water retention agent, and as a fat and protein emulsifier.

2. Strengthen the feed nutrition .

3. Mainly used as a water softener, a sequestering agent, and deflocculating agent in the detergent industry. Also used in the ceramic, leather, petroleum and paper manufacturing industries. Can be used as a dispersant in paint, kaolin and magnesium oxide.

Packaging and storage: 

25kg/50lb kraft paper bag, 1000kg/1200kg jumbo bag. Store in a cool, dry, well-ventilated area away from toxic and hazardous chemicals.