Product Description
ITEM AL-1 AL-2 AL-3 AL-4
Al2O3(%min) 75 65 55 48
Fe2O3(%max) 0.7 1.0 1.0 1.8
R.U.L 0.2mpa 1520 1500 1470 1420
Refractoriness 1790 1790 1770 1750
A?P 22 22 21 21
C?C?S Mpa 53.9 49 44.1 39.2
Application: Steel smelting, industry kiln, hot-bast stove , stove roof etc.
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