ltem | 45mullite | 60 mullite | 99% alumina | 99.5% alumina | 99.7% alumina |
Compactness | porous | dense | dense | dense | dense |
Tolerance OD/ID | +/-6% | +/-5% | +/-5% | +/-5% | +/-4.5% |
Tolerance Length | +/-3 mm | +l-2mm | +/-2mm | +l-2mm | +/-2mm |
Color | white | greywhite | ivory,pink | ivory | ivory |
Staightness,+l-,% | +/-0.5% | +/-0.3% | +/-0.3% | +/-0.2% | +/-0.15% |
Max working temp,℃ | 1300 | 1650 | 1700 | 1750 | 1800 |
Long-term working temp,≤℃ | 1250 | 1450 | 1450 | 1600 | 1650 |