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Corundum Refractory Brick
1.High strength 2.High thermal stability 3.Strong corrosion resistance
Description
1. Corundum Brick Description
Corundum Brick contain more than 90% of aluminum oxide that have another name is alumina oxide bricks.Corundum brick is manufactured using high quality synthetic electro-fused corundum and sintered corundum and finely grained highly alumina raw materials with ceramic and chemical bonding.
2. Corundum Brick Feature
（1）High temperature resistance
（2）High strength,high compression resistance
（3）Excellent thermal shock resistance
（4）High bulk density, good thermal conductivity
（5）Good wear resistance and acid
（6）alkali corrosion resistance
3.Technical parameter
Item | Corundum Brick 99 | Corundum Brick 90 | Mullite Corundum Brick |
Al2O3 % | ≥99 | ≥90 | ≥80 |
SiO2 % | ≤0.2 | ≤8 | ≤18 |
Fe2O3 % | ≤0.2 | ≤0.2 | ≤0.3 |
Bulk Density g/cm3 | ≥3.2 | ≥3 | ≥2.8 |
Apparent porosity % | ≤19 | ≤18 | ≤18 |
Cold compressive strength MPa | ≥100 | ≥100 | ≥100 |
(0.2Mpa,0.6%)Load softening began to temperature °C | ≥1700 | ≥1700 | ≥1700 |
4.Corundum Brick Application
Corundum brick primarily used for the key parts of the industrial furnace of steel,electronics,petrochemical,fertilizers,non-ferrousmetals,refractort material etc.
5. Packing
（1）On wooden pallets with plastic cover, According to customer's requirements.
（2）Wooden pallet size:1000*1000mm,Load weight of each pallet:1.5-2.0 Tons.
（3）20 Foot Container can be loaded 25Tons,40 Foot Container can be loaded 28Tons.
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