| Customization: | Available |
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| Feature: | Chemical Corrosion Resistance, Corrosion Resistance, Good Abrasion Resistance, Good Insulation Performance, Thermal Shock Resistance |
| Production Process: | Fusion Method |
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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.
Corundum bricks are refractory products with alumina content greater than 90% and corundum as the main crystalline phase. High compressive strength at room temperature (up to 340MPa). High load softening initial temperature (greater than 1700ºC). Good chemical stability, strong resistance to acidic or alkaline slag, metal and liquid glass. The thermal shock stability is related to its structure. The corrosion resistance of dense products is good, but the thermal shock stability is poor. Divided into sintered corundum brick and fused corundum brick two kinds. Sintered alumina and fused corundum can be used as raw materials, or alumina clinker with high Al2O3/SiO2 ratio can be combined with sintered alumina by sintering method. Non-burning corundum bricks can also be made with phosphoric acid or other bonding agents. Mainly used in ironmaking blast furnace and blast furnace hot blast furnace, steel furnace refining furnace, sliding water, glass melting furnace and petrochemical industry furnace.
| 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 |
1:What's the MOQ of rder?
A:No limit,We can offer the best suggestions and solutions according to your condition.
Q2:Which payment terms can you accept?
A:T/T,L/C,Western Union,Moneygram,Paypal are available for us.
Q3:Is your company accept customization?
A:We have own factory and excellent technical team,and we accept OEM service.
Q4:How about your company's certification?
A:we can supplyISO9001 and Test Report,also we could apply other necessary certification.
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