Mechanical, Thermal and Physical Properties
Material Grade |
99.65% Crushable Alumina Oxide (S-669) |
Chemical Analysis |
MgO |
– |
AL2O3, % |
99.65 min |
SiO2, % |
.08 max |
CaO, % |
.08 max |
Fe2O3, % |
.10 max |
B+Cd, ppm |
30 max |
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Mechanical Properties |
Porosity, % |
MIN 17 |
Bulk Density, gm/cc |
2.20 |
Flexural Strength, psi |
5,000-25,000 |
Compressive Strength, psi |
7,000-30,000 |
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Thermal Properties |
Thermal Expansion 25O-700O inch/inch/O CX10-6 |
7.8 |
Max Operating Temp., OC |
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