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Density
142 lb/ft³ 2.27 g/cm
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Maximum Operating Temperature
3187 ºF 1753 ºC
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Cold Crushing Strength
6300 psi 43.4 MPa
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Modulus of Rupture
1350 psi 9.3 MPa
Foundry Service supplies Hard "Super Duty" and "Medium Duty" Fire Bricks that are rated for superior strength in applications of over 3000F (1650C). They exhibit low shrinkage, excellent thermal shock resistance, and good resistance to alkali and carbon monoxide disintegration.