Model No: JT00067

Sodium Tripolyphosphate STPP

Versatile food additive & detergent builder. Excellent water softening, dispersing properties—trusted sodium tripolyphosphate supplier for bulk needs.
Quantity :
US $1.03 - US $1.64 / kilogram
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NO.

Items for detecting and analyzing

Standard value

Grade I

Grade II

Grade III

1

Whiteness                                                                                         %≥

90

85

80

2

Sodium tipolyphosphate (Na.P₃O₁)                                                  %≥

96.0

90.0

85.0

3

Phosphorus pentoxide(P₂O₅)                                                           %≥

57.0

56.5

55.0

4

Water insoluble                                                                                 %≤

0.10

0.10

0.15

5

Iron(as Fe)                                                                                        %≤

0.007

0.015

0.030

6

pH(1%)9.2~10.0

7

Chemical granularity

The screening rate of 1.00mm test screen is not less than 95%

 
 

Main Applications

1. Main Auxiliary in Synthetic Detergents and Cleaners

As a"detergent synergist", STPP (short for Sodium Tripolyphosphate) is the unsung hero behind enhanced cleaning efficiency. STPP chemical is a core component in various detergent formulations, leveraging its unique chemical properties to boost cleaning performance. Both Sodium Tripolyphosphate and STPP chemical are widely recognized for their ability to improve the overall effectiveness of cleaning products, making them indispensable in the detergent industry.

  • Water Softening: Sodium Tripolyphosphate powerfully chelates calcium and magnesium ions in water, preventing soil redeposition and significantly enhancing the detergency of the detergent. STPP chemical’s chelating ability ensures that hard water is softened, allowing surfactants to work more effectively. The water-softening property of Sodium Tripolyphosphate is one of the key reasons why STPP chemical is widely used in detergent formulations.

  • Dispersion and Emulsification: Sodium Tripolyphosphate disperses oil, grease, and particulate soil in water, making them easy to rinse off. STPP chemical is particularly suitable for automatic dishwasher detergents and industrial cleaners, where efficient dispersion of tough stains is critical. Sodium Tripolyphosphate ensures that oil and dirt do not reattach to surfaces, while STPP chemical enhances the emulsifying effect, further improving cleaning results.

  • Buffering Effect: Sodium Tripolyphosphate maintains the optimal alkalinity of the washing solution, ensuring that surfactants exert their maximum effectiveness. STPP chemical’s buffering capacity stabilizes the pH value of the detergent, preventing fluctuations that could reduce cleaning performance. Both Sodium Tripolyphosphate and STPP chemical contribute to the consistent performance of detergents across different water conditions.

2. Food Industry: A Reliable Choice for Quality Improvement (Food-Grade STPP)

Food-grade STPP (also known as food-grade Sodium Tripolyphosphate, E451) is an efficient and safe food additive. Food-grade STPP chemical meets strict purity standards for food contact, making it a trusted ingredient in the food processing industry. Sodium Tripolyphosphate in food-grade formulations is widely used to improve product quality and extend shelf life.

  • Meat and Seafood Processing: As a water retention agent and quality improver, Sodium Tripolyphosphate improves the tenderness, juiciness, and yield of products. STPP chemical is widely used in ham, sausages, surimi products, and other meat and seafood items. Sodium Tripolyphosphate locks in moisture during processing and storage, preventing products from drying out and becoming tough. Food manufacturers rely on STPP chemical to maintain consistent quality and sensory characteristics of meat and seafood products.

  • Dairy Products and Beverages: Sodium Tripolyphosphate acts as a stabilizer and emulsifier in dairy products and beverages, preventing protein flocculation and fat separation. STPP chemical ensures the uniformity and stability of dairy products such as milk, yogurt, and cheese, as well as beverages like fruit juices and plant-based drinks. Sodium Tripolyphosphate’s emulsifying properties help maintain the texture of dairy products and prevent sedimentation in beverages.

  • Noodles and Starch Products: Sodium Tripolyphosphate improves the elasticity of noodles and starch products, reducing the phenomenon of paste soup during cooking. STPP chemical enhances the gluten structure in noodles, making them chewier and more resistant to breaking. Sodium Tripolyphosphate also helps maintain the shape and texture of starch products, improving their overall quality and consumer acceptance.

3. Key Chemicals in Water Treatment and Industrial Processes

  • Industrial Water Treatment: Sodium Tripolyphosphate serves as a water softener and corrosion and scale inhibitor in boiler water and circulating cooling water systems. STPP chemical effectively prevents pipe scaling by chelating calcium and magnesium ions in water. Sodium Tripolyphosphate forms a protective film on the inner surface of pipes and equipment, reducing corrosion and extending their service life. STPP chemical is a cost-effective solution for maintaining the efficiency of industrial water systems.

  • Ceramics and Building Materials: Sodium Tripolyphosphate acts as a high-efficiency dispersant for ceramic slurries, reducing slurry viscosity and improving fluidity, thereby saving energy consumption. STPP chemical disperses ceramic powder particles evenly, preventing agglomeration and ensuring the uniformity of the slurry. Sodium Tripolyphosphate improves the molding performance of ceramic products, enhancing their quality and production efficiency. STPP chemical is also used in building materials to improve the workability of mortars and concretes.

  • Drilling Mud Regulator: In the petroleum industry, Sodium Tripolyphosphate is used to control the rheology and stability of drilling mud. STPP chemical adjusts the viscosity of drilling mud, ensuring its ability to carry cuttings and lubricate the drill bit. Sodium Tripolyphosphate maintains the stability of drilling mud under high temperature and high pressure conditions, ensuring safe and efficient drilling operations. STPP chemical is an essential additive in oilfield drilling fluids.

4. Other Professional Uses

  • Textile Printing and Dyeing Auxiliary: Sodium Tripolyphosphate serves as a dispersant and anti-redeposition agent in bleaching and dyeing processes. STPP chemical disperses dyes evenly, ensuring uniform coloring of textiles. Sodium Tripolyphosphate also prevents dyed pigments from reattaching to fabrics, improving the quality of printed and dyed products.STPP chemical enhances the efficiency of textile bleaching and dyeing processes, reducing defects and improving product yield.

  • Metal Surface Treatment: Sodium Tripolyphosphate is used for cleaning and degreasing in metal surface pretreatment. STPP chemical effectively removes oil, grease, and contaminants from metal surfaces, preparing them for subsequent processes such as plating and coating. Sodium Tripolyphosphate’s cleaning properties ensure a clean and activated metal surface, improving the adhesion of coatings and platings. STPP chemical is widely used in the metal processing industry for surface preparation.