Brown aluminum oxide micropowder |
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Details :Brown aluminum oxide micropowder
Light brown, high toughness, could bear high pressure, good crush resistance .Microhardness is 1800-2200kg/mm2 . Can be made into bonded and coated abrasive tools, wet or dry sand blasting; superfine lapping and polishing as well as making high-grade refractory materials and precision casting. Microhardness(Vickers): 1800~2200kg/cm2 .Density: 3.97g/cm3 .Specific heat: 1.1kj/(kg•k) (20~900℃);Melting point: 2050℃;coefficient of thermal expansion:6.4(20~400℃);7.6(20~800℃);Toughness(compression resistance of single particle):1.14kg。 Main applications: carbon steel, alloy steel , malleable cast-iron, hard bronze, glass ware, precision grindstone, precision polishing, lapping non-woven fabric and semiconductor materials. Main chemical components of Brown Aluminum Oxide
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