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Specific Gravity | 4.69 |
Melting Point | 2500°C |
Refractive Index | 1.97 |
Mohs Hardness | 7.5 |
Thermal Expansion Coefficient | |
Apprearance | White or off white powder |
Item | RS65 | RS64.5 | RS63.5 |
ZrO2+HfO2 | 65.0 min | 64.5 min | 63.5 min |
Fe2O2 | 0. 06 max | 0. 08 max | 0. 12 max |
Ti02 | 0.10 max | 0.12 max | 0.18 max |






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