Detergent grade Stpp/Sodium Tri Polyphosphate Food Grade Stpp supplier
White powder or particles, apparent density 0.35 ≤ 0.90 g / cm ~ 3, melting point 622 degrees Celsius. Soluble in water. The aqueous solution is alkaline and the PH of 1% aqueous solution is 9.7. It is hydrolyzed to phosphite gradually in water, which has good ability of complexing metal ions. It can complex with calcium, magnesium, iron and other metal ions to form soluble complexes. It softens hard water. As an inorganic surfactants, it has the properties of organic surfactants.
Heavy metals (as Pb):
Arsenic (as As):
Fluoride (as F):
It is mainly used as additive, soap enhancer and prevent oil precipitation and frosting of strip soap. It has strong emulsification effect on lubricating oil and fat, and can be used to adjust the PH value of buffer soap, softener of industrial water, leather pretanning agent, dyeing auxiliaries, paint, kaolin, magnesium oxide, calcium carbonate and other industrial suspensions as dispersing agent, drilling mud dispersing agent and papermaking industry as oil repellent.
Packaging & Shipping
Products are packed in 25kg PP bag or according to customer's requirement. Package's design, charactor and logo also can be changed.