STPP

Sodium tripolyphosphate is fairly stable at room temperature and hydrolyzes slowly in humid air to form sodium orthophosphate.
The complexing ability of sodium tripolyphosphate is usually expressed as a calcium number.
An aqueous solution of sodium tripolyphosphate is slightly alkaline.

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Description

Product advantage

Food grade and technical grade for STES. Customized bag available.

The complexing ability of sodium tripolyphosphate is usually expressed as calcium

meaning.

An aqueous solution of sodium tripolyphosphate is slightly alkaline.

Product Parameter

Contents of the analysis	Standard of Analysis	Analysis result
Main content %	Greater than or equal to 95	96.5
Phosphorus pentoxide (P2O5)%	Greater than or equal to 57	57.3
Insoluble in water%	Less than or equal to 0.05	0.02
Iron %	Less than or equal to 0.01	0.006
pH value (1% aqueous solution)	9.5-10.0	9.7
Heavy metal (Pb)	Less than or equal to 10 ppm	6 ppm
Arsenic (As)	Less than or equal to 3 ppm	1 h/m
Fluoride (F)	Less than or equal to 10 ppm	5 ppm
White content%	Less than or equal to 90.0	92.0
Loss from drying out %	Less than or equal to 0.5	0.3
Bulk density (g/l)	600-750	700
Conclusion	Complies with GB25566-2010 standard.
Preferential price	800-850 US dollars / Metric ton

Statement

STPP can be used as detergent additives and also in petroleum, metallurgy, mining, paper, water treatment, etc.
In the food industry, STPP is used as a quality improver and water retaining agent for canned foods, fruit juices, dairy products, soy milk, etc.
STPP is primarily used to sell canned hams and soften the skins of canned beans. STPP can also be used as a plasticizer and thickener.

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