water filter cartridge antiscalant sodium polyfosfate crystal
anti-scale, anti-rust, anti-septic, anti-virus and algae removal for industrial & drinking water.
Main material
P2O5, Na2O, CaO
Purity of active ingredient:≥89% PH: 5.8-7
Recommended dosage
For anti-scale: 10g per 1ton water (concentration: <10ppm)
For anti-rust: 3g per 1ton water (concentration: <3ppm)
Heavy metal test
| Item | Unit | Test requirement | Test result | Conclusion |
| Ball size | mm | 17mm/20mm/23mm | 17mm/20mm/23mm | ok |
| Appearance | transparent glassy ball | transparent glassy ball | ok | |
| PH valut | 7±0.5 | 7±0.5 | ok | |
| Arsenic (As) | mg/L | ≤0.005 | <0.005 | ok |
| Cadmium (Cd) | mg/L | ≤0.0005 | <0.0001 | ok |
| Chromium (Cr) | mg/L | ≤0.005 | <0.004 | ok |
| Plumbum (Pb) | mg/L | ≤0.001 | <0.001 | ok |
| Ag | mg/L | ≤0.005 | <0.005 | ok |
| Selenium (Se) | mg/L | ≤0.001 | <0.001 | ok |
| Hg | mg/L | ≤0.0002 | <0.0002 | ok |
Theory of anti-scale
Ca2++Na2[Na4[Po3]6]→2Na+ +Na2[Na2Ca[po3]6] (Soluble complex)
Theory of anti-rust
Fe2+ +Na2[Na2Ca[Po3]6]→2Na+ +Na2[FeCa[Po3]6] (Soluble complex)
Fe2+ +Na2[Na4[Po3]6]→2Na+ +Na2[Na2Fe[po3]6] (Soluble complex)
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| Response Time | <24h |
| Response Rate | 83.7% |