Technical Specifications:
Specifications | 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. |
Sodium Tripolyphosphate(STPP)