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Sodium Tripolyphosphate (STPP) is a chemical compound widely used in industry as a water softener, anti-corrosion agent, and an important ingredient in detergents and food thickeners. Join Vntradimex to learn more about the Sodium Tripolyphosphate (STPP) chemical product in detail in the following article

Product information

Product name: Sodium Tripolyphosphate_STPP_Tough and brittle additive

Other names: Sodium tripolyphosphate, STPP, weight gain additive


– PP bag with PE layer inside.

– Packaging: 25 kg/bag.

Chemical formula: Na5P3O10

Appearance description: STPP is white powder


STPP is used as a main auxiliary agent for synthetic detergents and soaps; hard water softener, tanning agent in the leather industry, auxiliary agent in textile dyeing; Dispersant in suspensions of kaolin clay, Maggie oxide, Calcium carbonate and drilling mud...; Oil repellent in paper production.

User manual

Sodium tripolyphosphate can cause irritation and discomfort to the eyes and skin. Personal protective equipment should be used when handling them.


– Sodium tripolyphosphate (Industrial STPP) is widely used as a detergent, as a structural agent in soap or washing powder to increase the detergent properties of these products, it reduces water hardness due to into soluble calcium, magnesium, and iron complexes and prevent dirt from sticking back to the fabric.

– Used in the production of ceramics and leather tanning (such as masking agents and SYNTAN synthetic tanning agents).

– Used in animal feed. In the food industry STPP is used as a softener and quality enhancer for canned foods, fruit juices, dairy foods and soy. Sodium Tripolyphosphate (STPP ) is used as a brittle layer, retaining water for aquatic products. STPP is used as a brittle layer for products processed from meat (fish, pork, etc.)


Cool, dry place


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