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Alumina
Ventiler m.m. Valves > Lejematerialer
Alumina is historically the most cost-effective and widely used engineering ceramic.
It has a good combination of properties:
Good hardness and wear resistance
High strength and stiffness
Good thermal stability
Almost chemically resistant
Alumina can be produced in purity ranges from 95% up to 99.5% (available in different colors), for various applications.
See this link for properties
