Description
Sodium tripolyphosphate (STPP) is a chemical compound with the formula Na5P3O10. It is a white, crystalline substance with many uses in various industries:
- Detergents: STPP is a common ingredient in household and industrial detergents. It acts as a water softener, helping the detergent to lather and clean more effectively in hard water. It also helps to suspend dirt and prevent it from redepositing on clothes during washing.
- Food Industry: STPP is used in the food industry as a preservative and emulsifier. It is often added to seafood and meats to help retain moisture and improve texture. It is also used in some processed foods as a stabilizer and to improve the appearance of the final product.
- Water Treatment: STPP is used in water treatment plants to help control scale formation and prevent corrosion in pipes and equipment. It can also be used to remove heavy metals from wastewater.
- Textiles: STPP is used in the textile industry as a dyeing auxiliary and a softening agent for fabrics.
- Ceramics: STPP is used in the ceramics industry as a flux, which helps to lower the melting point of glazes and improve their consistency.
- Paints and Coatings: STPP is used in paints and coatings as a dispersing agent, helping to distribute pigments evenly throughout the formulation.