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Alumina (Al₂O₃) is one of the most widely specified, general-purpose technical ceramics. All aluminas are very hard and wear resistant, with high compressive strength even against extreme...

Alumina (Al₂O₃) is one of the most widely specified, general-purpose technical ceramics. All aluminas are very hard and wear resistant, with high compressive strength even against extreme temperatures...

Alumina (Al₂O₃) is one of the most widely specified, general-purpose technical ceramics. All aluminas are very hard and wear resistant, with high compressive strength even against extreme...

Alumina is produced by firing a tightly packed powder form of Al₂O₃ which includes some binder material. Commercially available grades range from 90% up to...

Sapphire is an anisotropic, rhombohedral crystal form of Aluminum Oxide. Anisotropic single crystal materials exhibit some properties such as thermal expansion and hardness which vary...