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Item | Unit | BRAND | ||||
SJ-001 | SJ-002 | SJ-003 | ||||
AI2O3 | % | 35 | 39 | 60 | ||
SiO2 | % | 53 | 49 | 35 | ||
MgO | % | 7.5 | 8 | 5 | ||
Max Working Temperature | ºC | 1280 | 1260 | 1350 | ||
Bulk Density | g/cm3 | 1.85 | 1.82 | 2.2 | ||
Apparent Porosity | % | 28 | 30 | 22 | ||
Coefficient of Thermal Expansion at 20ºC - 1000ºC | 10-6 k-1 | 2.6 | 2.2 | 3.2 | ||
Specific Heat at 20ºC | Kj/Kg.k | 1 | 1 | 1 | ||
M.O.R. at 20ºC | MPa | 14 | 11 | 11 | ||
M.O.R. at 1250ºC | MPa | 10 | 10 | 10 | ||
Thermal Shock Resistance | Excellent | Excellent | Excellent | |||
Max Working Temperature | ºC | 1280 | 1260 | 1350 | ||








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