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Contact SupplierSiO2 | 68 - 73% |
---|---|
Al2O3 | 14 - 18% |
TiO2 | 0.1 - 0.2% |
CaO | 0.3 - 0.9% |
MgO | 0.1 - 0.2% |
K2O | 0.1 - 0.3% |
Na2O | 8.5 - 11.0% |
Fe2O3 | 0.2 - 0.6% |
L.O.I. | 0.5 - 1.0% |
Fired Colour @1220oC | L* - 75% + |
Whiteness | 50% + |