CHEMICAL COMPOSITION:     PHYSICAL CHARACTERISTICS
Al2O3 91.1%     Specific Gravity             3.6-3.7 gr/cm3
SiO2 5.4% Porosity 0%
MgO  1.24%     Hardness 9moh's
CaO  0.78%     Bending Strength 166 16 MPa
Na2O 0.20%   Elasticity Modulus  124 7 GPa
K2O  0.02%     Color  White

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