Magnesia refractory brick is an alkaline refractory material mainly composed of magnesite as the main crystal. Magnesium oxide content is as high as 97.5%. This type of brick can be used at &#;. It is widely used in various high-temperature industrial fields. Kerui Refractory offers different kinds of magnesia bricks for more than + partners from worldwide.
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High Heat Resistance
Environmentally Friendly
Rapid Hardening
Easy Construction
In addition to high-purity magnesia bricks, we also provide other composite types of magnesia bricks, including the following types. These bricks contain varying amounts of magnesium oxide.
Kerui Refractory offers high-purity magnesia bricks and other composite magnesia bricks. Shown here are the parameters of high-purity magnesia bricks.
Magnesite bricks are mainly made from natural magnesite materials, with a magnesium oxide content of over 89%. The melting point of magnesite is as high as ºC, making bricks highly refractory. Depending on the production process and properties, magnesia bricks are divided into burned magnesia bricks and chemically bonded magnesia bricks.
Burned Magnesite Refractory Bricks
Burned magnesia bricks are produced by high-temperature firing of raw materials. These high temperature refractory bricks have high refractoriness, strong resistance to high temperatures, and good alkali resistance, making them suitable for high-temperature alkaline working environments. Common types of burned magnesia bricks include magnesia refractory bricks, magnesia-alumina bricks, magnesia-chrome bricks, magnesia-iron spinel bricks, magnesia-calcium bricks, and others.
Chemically Bonded Magnesium Bricks
Chemically bonded magnesia bricks, also known as unburned magnesia bricks, are formed by mixing raw materials at room temperature. They exhibit good alkali resistance, seismic resistance, and abrasion resistance, making them more suitable for applications with high mechanical performance requirements. Common types of chemically bonded magnesia bricks include alumina magnesia carbon bricks, magnesia carbon bricks, magnesia calcium carbon bricks, and others.
High Density
magnesia bricks have a high mineral content. They are dense and exhibit good resistance to penetration and leakage. They effectively prolong the lifespan of materials.
Strong Resistance to Spalling
Magnesia bricks have a strong resistance to alkaline slag erosion, such as iron oxide and calcium. They contain a high proportion of magnesium oxide, which helps maintain stability in alkaline environments.
High Heat Resistance
They have a high load softening temperature, with high-purity magnesia bricks reaching temperatures of up to degrees Celsius. Magnesia bricks maintain structural stability in high-temperature environments, resisting deformation or cracking.
High Thermal Conductivity
Magnesium oxide bricks efficiently transfer heat, improving temperature uniformity in furnaces. This accelerates heat treatment processes and reduces energy consumption.
Moderate Expansion
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Magnesia bricks typically exhibit a linear expansion rate of 1.0-2.0% between - degrees Celsius. Moderate expansion at high temperatures helps maintain structural stability.
Strong Abrasion Resistance
Magnesium oxide has high hardness, making magnesia bricks resistant to wear in high-temperature environments. They are suitable for use in high-temperature environments requiring strong abrasion resistance.
Due to its superior performance, magnesia bricks are widely used in various industries, including the steel industry, construction materials industry, glass industry, and non-ferrous metal industry.
Steel Industry:
Construction Materials Industry
Non-Ferrous Metal Industry
Glass Industry
If you would like to know the detailed price of magnesia bricks, please send us your requirements. The price of magnesia bricks varies depending on the quantity, size, and composition. Kerui Refractory, as a manufacturer of magnesia bricks, provides competitive prices and services. To determine the detailed requirements of customers, please send us the following information:
Kerui Refractory has over 20 years of experience in the magnesia brick industry. Many customers choose us not only for our strong company capabilities but also for our comprehensive services.
Company Strength
Comprehensive Services
Kerui magnesia refractory bricks boast high quality and large output because of our automated and precise production line. We also provide detailed solutions tailored to meet customer requirements. Join us to experience the quality and reliability of Kerui magnesia bricks and services, and witness the difference in performance and durability.
Magnesia carbon bricks are made of high melting point alkaline oxide magnesium oxide (melting point °C) and high melting point carbon materials that are difficult to be wetted by slag as raw materials, with various non-oxide additives added. Non-burning carbon composite refractory material combined with carbon binder.
Magnesia carbon bricks are mainly used for the lining of converters, AC electric arc furnaces, DC electric arc furnaces, and the slag lines of ladles.
Its main features are: good high temperature resistance, strong slag resistance, good thermal shock resistance, and low high temperature creep.
Application: EAF/BOF/LF
Grade MgO C B.D. A.P. CCS % % g/cm³ % Mpa MTB-6A 85 7 3.10 4.00 48 MTB-10A 81 11 3.08 3.00 45 MTB-14A 77 15 3.00 2.00 42 MT-10A 81 11 3.08 3.00 45 MT-12A 79 13 3.03 3.00 42 MT-14A 77 15 3.00 2.00 42 MT-16A 75 17 2.95 2.00 38Application: Ladle furnace
MgO Al203 C B.D. A.P. CCS % % % g/cm³ % Mpa AMT-60 16 57 12 2.92 4.00 50 AMT-80 17 62 10 2.95 4.00 50Application: BOF/LF/VOD/GOR
Grade Mg0 CaO AI203 Fe203 Si02 B.D. A.P. C.C.S R.U.L Paraffin
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