Sodium Tripolyphosphate (STPP) is a Apparel product. Key specs — Origin: China; Price Term: FOB.
Product Description
Product name: Sodium tripolyphosphate (STPP)
Molecular formula: Na5P3O10
CAS code:7758-29-4
Product Grade: Industrial Grade , Food Grade
Purity content: 94% , 95%
HS code: 2835.2910
Product Specification:
Item | Standard | |
Industrial Grade | Food Grade | |
Na5P3O10 | 94% min. | 95% min |
P2O5 | 57% max. | 57% max. |
Water insoluble | 0.15% max. | 0.05% max. |
Fe | 0.01% max. | 0.01% max. |
Arsenic(As) | 0.0003% max. | |
Heavy metals(Pb) | 0.001% max. | |
Flouride(F) | 0.003% max. | |
Whiteness | 90% min. | 90% min. |
PH(1% aqueous solution) | 9.2-10.0 | 9.5-10.0 |
Uses: Used as a detergent additive product can also be used in petroleum, metallurgy, mining, paper and water treatment. Mainly used as synthetic detergent additives, synergist for soap and soap grease to prevent articles from precipitation and frost. On strong oil and fat emulsification, liquid soap can be used to adjust the PH value of the buffer. Industrial water softener. Tanning agent. Dyeing auxiliaries. Paint, kaolin, magnesium oxide, calcium carbonate and other industries when preparing suspension dispersant. Drilling mud dispersants. Paper industry as anti-oil agents.
