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Luoyang Tianzhen Refractory Co., Ltd.
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High alumina brick for steel making
Raw material of High alumina brick: High quality bauxite clinker
Main material High alumina brick: Mullite
Application High alumina brick : Special steel casting.
Production process: The products are made of synthesized mullite and andalusite as raw materials, then shaped at high pressure and sintering at high temperature in furnace.
Characteristics:Good thermal shock resistance and chemical erosion resistance
Specifications High alumina brick:
Item | Steel casting products for special steel |
Al2O3 , % ≥ | 63 |
Apparent porosity % ≤ | 25 |
Bulk density g/cm3, ≥ | 2.3 |
Cold crushing strength MPa | 35 |
Refractoriness | 37 |
Reheating linear chang rate % 1550°C×2h | ±1 |
Thermal shock resistance(1100,water cooling )cycles | 5 |