STPP Manufacturer Detergent Sodium Tripolyphosphate CAS: 7758-29-4

Product Description

Description

Product name	sodium tripolyphosphate
From	Powder
Specification	99%
Appearance	White crystal powder
Package	100g/bag ,500g/bag,1kg/bag
Place of Origin	xi'an ,china

Application & Funtion
1.STPP tech grade is used as additive in detergent synthesis, ceramics production, soap synergist.
2.Has strong emulsifying property to lubricant and fat, to adjust the PH value of buffer liquid soap.3. Water softener and buffering agent in detergent industry4. Quality modifier, pH adjustment, water reserving agent and other functions in food industry5. Paper making6.Dispersing agent in oil drilling mud7. Ceramic, mining, water treatment industry and etc.
STPP is a good auxiliary in detergent industry, the usual dosage is about 10~35%, the function of STPP in detergent system are:1. Soften the hard water by reacting with metal ions of Ca2+, Mg2+, Fe3+ and others to make them from insoluble to soluble Na5P3O10+Ca2+ ---> Na3(CaP3O10)+2Na+2. Enhancing the emulsifying and dispersing power, to increase the solubility of protein and dust which normally existing in the fabrics from daily life3. Buffering agent, to make the pH value of detergent solution on the level of 9~9.5, so that those acid dirt can be easily removed from fabrics4. Anti-caking agent for detergent powder. Since detergent powder is easily caking in exposed air, STPP can absorb the moisture and become Hexahydrate, which is dry and free flowing.COA

Items	Requirements	Results
Physical & Chemical
Appearance	White powder	Conform
Odor	Characteristic	Characteristic
Particle Size	98% pass 80mesh	Complies
Loss on Drying	≤5.0%	3.65%
Ash	≤5.0%	1.96%
Solvent Residue	Meet USP standard	Complies
Pesticide Residue	Meet USP standard	Complies
Heavy Metal
Lead (Pb)	≤2.0ppm	Conform
(As)	≤1.0ppm	Conform
(Cd)	≤1.0ppm	Conform
(Hg)	≤0.1ppm	Conform
Microorganism
Total Plate Count	≤1000cfu/g	Conform
Yeasts and Molds	≤100cfu/g	Conform
Saimonella	Negative/25g	Conform
E.coli	Negative	Conform
Assay	98%	98.5%

Company

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