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Physical properties of ceramic roller | ||||||||
Unit | HM100 | HM90 | HM75 | |||||
Al2O3 content | % | 76-78 | 75-77 | 78-80 | ||||
Density | g/cm3 | 2.8-3.0 | 2.7-2.9 | 2.5-2.6 | ||||
Water absorption | % | 5-7 | 5-7 | 8-9 | ||||
PT flexural strength | mpa | 65-75 | 60-70 | 50-60 | ||||
Thermal expansion (20-1000°C) | 10^-6/°C | 6 | 6 | 6 | ||||
Modulus of elasticity | Gpa | 95 | 90 | 80 | ||||
Maximum use temperature | °C | 1350 | 1350 | 1300 | ||||






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