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Alumina ceramic materials with excellent insulation, very low loss at high frequency and high insulation good features, noncombustible, not rust, strong, has not damaged organic materials and other metal material incomparable excellent properties.Its hardness and resistance to the same corundum, hardness, wear resistance level's nine with superhard alloy rival.
Alumina ceramic heat resistant, thermal expansion coefficient is small, high mechanical strength, good heat conductivity, etc.
Density: 3.65~3.85g/cm3
Bend strength: 216~5540Mpa
Hardness: 78~90HRA
Thermal conductivity: 16.75Wm/k
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