| Customization: | Available |
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| Feature: | Chemical Corrosion Resistance, Corrosion Resistance, Good Abrasion Resistance, High Mechanical Strength, High Melting Point, Thermal Shock Resistance |
| Production Process: | Fusion Method |
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High purity 90% Al2O3 high alumina refractory brick furnace fused corundum brick
Corundum Brick Description
Corundum Brick is a kind of refractory product with corundum as the main crystal phase and contains over 90% aluminium oxide content. Corundum fire bricks have very high cold crushing strength that can reach up to 340MPa and high apparent initial softening temperature that is over 1700ºC. Corundum refractory brick can be used in blast furnace, hot blast stove, glass furnace and etc.
Our Refractory Corundum Brick Features
1.Low line expansion coefficients;
2.Long service life;
3.Great corrosion and erosion resistance;
4.High bulk density;
5.High compressive strength;
6.Good thermal shock resistance;
7. Good corrosion resistances to acids and alkali;
Details of Rongsheng refractory corundum brick
1. Refractory corundum brick is produced by sintered corundum or electro-fused corundum of high purity alumina content, with binding agent mixed to mud, after forming, drying and firing.
2. Refractory corundum brick has high bulk density, high compressive strength, good thermal shocking resistance,
and good corrosion resistances to acids and alkali.
3. Al2O3 content is above 90%.
4.Working temperature: 1800°C.
Corundum Brick Specification
| 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 Brick
Refractory corundum brick is used as inner lining brick in decomposing furnaces for petroleum and chemical industry,as well as chemical fertilizer industry.
1.Metalluragy industry
2.Heat treatment furnace
3.Chemical industry
4.Steel,non-ferrous smelting furnace
5.Boiler and waste incinerator
6.Coke oven
7.Blast furnace
Zhengzhou Rongsheng Refractory Co., Ltd.Established in the early 90s of twenty century, with continuous innovation and development, now we are a comprehensive enterprise in refractory material industry, covering metallurgy, building materials, electric power, chemical industry,etc.
Our main products: refractory material for industrial furnaces, such as high-alumina brick, clay brick, silicon brick, high-strength diatomite brick, light weight insulation brick, low iron mullite brick, etc.; anti-stripping alumina brick, alkali proof brick, phosphate brick for cement industry; For the industrial furnace and power boiler, we can provide abrasive brick, corundum brick, mullite brick, wear resistant castable, corundum castable, high strength low cement castable, impervious material, plastic refractory, graphite electrode etc.
Our main export markets : North America, Western Europe, Eastern Europe, South America, Southeast Asia, Eastern Asia, Mid East, Oceania, Africa
We have own workshop , advanced production line , experienced workman and stricted check out flow .
We always pursue the objective of "Honesty, Courtesy, Innovation, Dedication", the cornerstone of "Super Quality & Competitive Price", and the strategic goal of building Rongsheng brand, to serve the clients in a timely and effective way.
1.Are you a manufacturer or a trader?
Manufacturer, some time we help our clients to purchase related products as a trader.
2.What's the MOQ?
The MOQ varies for different products. Please contact us to understand.
3.how can we guarantee quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;
4.Can you provide samples for free?
Yes, we can supply samples for free, and the freight will be undertaken by clients.
5.May I visit your factory?
Yes, we will arrange professional reception personnel to patiently explain to you.
6.Why choose us over other suppliers?
We have a large scale, strong strength, and rich experience, professional technology, and perfect customer service, and have obtained various certifications such as CE/ISO9001/ISO45001.
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