What is the use of sodium tripolyphosphate STPP

April 8, 2025
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1. Detergent industry (main use)
Washing aid:

Soften hard water, chelate calcium and magnesium ions, improve decontamination ability.

Prevent dirt redeposition and keep clothes white.

Common in washing powder, washing liquid, dishwashing agent and so on.

Synergist: enhances the cleaning effect of surfactants.

2. Food Industry (Food Additive E451)
Moisture retention agent:

Used in meat products (such as ham, sausage) to retain moisture and improve taste.

Prevent seafood (such as frozen fish and shrimp) protein denaturation, keep fresh and tender.

Quality Improvers:

Used for canned, cheese and other food, stable texture and color.

Increase elasticity in noodles and frozen foods.

3. Industrial applications
Ceramic industry: as a dispersant, improve mud flow.

Oil extraction: Used for drilling mud to prevent scaling.

Textile printing and dyeing: used as water softener and bleaching aid.

Paper industry: Enhance paper flexibility and water absorption.

4. Water treatment
Corrosion and scale inhibitor: Used in boiler water and circulating cooling water system to prevent pipe scaling and corrosion.