HIGH ALUMINA PROPERTIES
Principal Constituents : 99.8% alumina
Maximum Use Temperature ( No Load ) : 1800℃
Thermal Expansion Co-efficient ( 25 to 1000 C) : 8.0 x 10-6/C
Compressive Strength : >300,000 psi
Specific Gravity : 3.9 (Typical)
Hardness on Rockwell 45N scale : 79
on Moh scale : 9
Permeability : Gas Tight
Water Absorption : None
Thermal Shock : Temp. Change rate not to exceed 150 C/hr.
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