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Contact Supplier| Parameters | PF-4 | PF-5 |
|---|---|---|
| SiO2 | 72% (± 1%) | 71% (± 1%) |
| Al2O3 | 18% (± 1%) | 17% (± 1%) |
| K2O | 4.00% | 5.00% |
| Na2O | 4.00% | 3.00% |
| TiO2 | Trace | Trace |
| Cao | <0.6% | <0.8% |
| Mgo | Trace | Trace |
| Fe2O3 | 0.35%(± 0.05%) | 0.4%(± 0.05%) |
| LOI (Loss on Ignition) | 0.50% | 0.50% |