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Since 1985, Suman Refractory has forged a legacy in fire — evolving from humble beginnings into a beacon of industrial excellence, where refractory mastery, acid-proof innovation, and engineered heating systems converge in every layer, every lining, every legacy we build..

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Super Heat Duty Bricks

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Product code AL2O3 %
(≥)		 Fe2O3 %
(≤)		 PCE Orton
(≥)		 AP %
(≤)		 BD gm/cc
(≥)		 CCS kg/cm2
(≥)		 RUL Ta°C
(≥)		 PLCAR at °C For 2 hrs %
(≤)		 Characteristics & Use
SR-42D 42 1.5 33 18 2.2 450 1470 1450 0.4 Dense, spall resistant, high abrasion resistant, resistant to carbon monooxide attack.
SR-42SD 42 1.5 33 16 2.3 500 1470 1450 0.3 Dense, resistant to high abrasion , resistant to carbon monooxide attack, Suitable for special applications.
SR-45D 45-48 1.5 34 18 2.3 450 1480 1480 0.5 Dense, volume stable, suitable for blast furnace, hearth and lower and upper stacks.