Fire Brick • Refractory Brick - What To Know Before You ...Explore further
2020-3-26u2002·u2002High Duty (first-quality firebrick): Temperature rating to 2850°F maximum in purely heat service. Certain atmospheres can reduce this temperature rating by several hundred degrees and contains 36–40% alumina. Uses include boilers, ceramic kilns, chimneys and back-up linings. Super Duty: Temperature rating to 2900°F in pure heat service.
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