CALCINED ALUMINA

Alumina has a very high melting temperature (about 2000C) and alumina ceramics can maintain up to 90% of their strength above 1100C. They are thus employed in many refractory materials (i.e. Calcium Aluminate Cements have PCEs above cone 35) and used to make parts that must withstand high temperature.
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Description

Alumina has a very high melting temperature (about 2000C) and alumina ceramics

can maintain up to 90% of their strength above 1100C.

They are thus employed in many refractory materials (i.e. Calcium Aluminate Cements have PCEs

above cone 35) and used to make parts that must withstand high temperature.

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