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Alumina content more than 90%, is given priority to with corundum crystal phase of refractory products.
High room temperature compressive strength (up to 340 mpa).High rul start temperature (greater than 1700 ℃).
Good chemical stability, acid or alkaline slag, metal and glass, etc. Have strong ability of resist.Thermal shock stability is related
to its organizational structure, the erosion resistance of dense products is good, but poor thermal shock resistance.
Divided into sintered corundum brick and fused corundum brick two kinds.Respectively using sintering alumina and fused
corundum as raw materials or Al2O3 / SiO2 than high bauxite clinker and sintered alumina, made by sintering process.
Also can use phosphoric acid or other adhesives made don't burn corundum brick.It is mainly used for blast furnace and
blast furnace hot blast stove, furnace refining furnace, sliding water apparatus, glass furnace, and petrochemical industrial furnaces, etc.
