| Customization: | Available |
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| Feature: | Long Time Materials |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Corundum Mullite Brick Introduce
Corundum bricks are refractory products with alumina content greater than 90% and corundum as the main crystal phase. High normal temperature compressive strength (up to 340MPa). High softening onset temperature under load (greater than 1700°C). Good chemical stability, strong resistance to acidic or alkaline slag, metal and glass liquid. The thermal shock stability is related to its microstructure. The erosion resistance of dense products is good, but the thermal shock stability is poor. It is divided into sintered corundum bricks and fused corundum bricks. It can be made by using sintered alumina and fused corundum as raw materials respectively, or with bauxite clinker with high Al2O3/SiO2 ratio and sintered alumina. Unfired corundum bricks can also be made with phosphoric acid or other binders. Mainly used in iron-making blast furnaces and blast furnace hot blast furnaces, steel-making outside refining furnaces, sliding water heaters, glass melting furnaces and petrochemical industrial furnaces.Features of our refractory corundum brick
1.Low line expansion coefficientsRongsheng Refractory Corundum Mullite Brick Technical Data
| Item | High Pure and High Quality Fused Corundum Fire Brick |
Sintered Corundum Fire Brick | Mullite-Corundum Fire 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 |
Application of Corundum Mullite Brick
Refractory corundum brick It is widely used in the lining and kiln furniture of various high temperature kilns in the petrochemical and fertilizer industries, such as cracking, reforming furnaces, and metallurgical industries.
Company Information:
The company has more than 280 employees, including 26 technicians, 18 middle and senior professional titles, and 8 junior professional titles. It has two high-temperature tunnel kilns and two shuttle kilns. The products are widely used in metallurgy, nonferrous metals, building materials, electric power, petrochemical and other industries. With stable quality and superior performance, the products have won many praises from customers.
Wooden pallets with plastic film or according to your request.
1. Strong packing protects the goods from any possible damage during transit.
2. Solid packing and overall stuffing prevent the cases from vibration and jarring.
3. Necessary precaution is taken to protect goods from pilferage or rain.
4. Every possible precaution is taken to ensure our products in prime condition when reach customers around the world.
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