STPP for detergent chemical 1. factory 2. best quality at competitive price 3. best after-sales service
STPP 94% for detergent chemical
Chemical formula: Na5P3O10
CAS No: 7758-29-4
Molecular weight: 367.86
Standard executed: GB9983-2004
Specifications:
Item | Superior quality | First-grade | Qualified products | |
Sodium Tripolyphosphate (as Na5P3O10)% ≥ | 96 | 90 | 85 | |
Phosphorus Pentoxide (as P2O5)% ≥ | 57.0 | 56.5 | 55.0 | |
Water insoluble matter % ≤ | 0.10 | 0.10 | 0.15 | |
Fe% ≤ | 0.007 | 0.015 | 0.030 | |
PH value | 9.2--10.0 | |||
Whiteness % ≥ | 90 | 80 | 70 | |
Granularity (tailover through 1.00mm test sieve)% ≤ | 5.0 | |||
Properties:
white powder, apparent density:0.35-0.90g/ml, melting point: 622°C, easily dissolving in water; water solution is alkaline(PH value of 1% solution is 9.7); can hydrolyze into phosphate in water, has good ability in complexing metal ions,; can be used to soften water; has some surfactant properties.
Application: mainly used as syndet adjuvant, soap synergist and prevent bar soap from oiling off and blooming; has strong emulsification on lubricant and oils and fats, can be used to adjust the PH value of buffer soap solution; can be used as water softener for industrial water, pretanningagent and dyeing adjuvant; drilling mud dispersant; dispersant in preparing suspension in paint, kaolinite, magnesium oxide, calcium carbonate etc.; oil-proofing agent and antifoulant in paper industry.
Packaging: n.w.25kgs plastic-lined woven bags.
STPP 94% used as detergent chemical
