Alkaline Refractory Bricks (Magnesite) - سپاهان پویش آریا

Brick Alkaline Refractory

Excellent resistance to alkaline slags

The ability to withstand highly alkaline conditions and prevent degradation caused by chemical reactions

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Thermal stability at very high temperatures

Maintaining the crystalline structure without performance loss when exposed to temperatures above 1800°C.

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Stable mechanical strength under heavy loading

Resistance to pressure and mechanical impacts without causing cracks or long-term fractures

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Resistance to thermal shock and sudden temperature changes

Withstands rapid temperature fluctuations without causing breakage or loss of product performance.

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Alkaline refractory brick based on magnesia (MgO) and non-acidic oxides, has excellent performance against very high temperatures and alkaline environments. With excellent resistance to chemical corrosion, abrasion and thermal shock, this brick is a reliable choice for electric arc furnaces, furnace bottoms and glass furnaces. Its low porosity and dimensional stability increase the life and efficiency of the process. This product is classified based on the percentage of MgO, Fe₂O₃ and CaO/SiO₂ ratio.

Alkaline refractory brick with a special magnesite composition and high MgO content, designed for severe thermal and chemical conditions. This brick has high resistance against alkaline slags, iron oxide, and sudden temperature changes, maintaining its stable structure. Therefore, it is widely used in the steel, cement, and glass industries. Low porosity, high mechanical strength, and dimensional stability increase the lifespan of structures and minimize maintenance and production downtime costs.

“Alkaline refractory bricks are among the most important industrial refractories based on magnesite (MgO) and are primarily made from non-acidic oxides. These products exhibit remarkable resistance to corrosion from alkaline slags, liquid or solid oxides, dust, and soot at very high temperatures. Their notable features include excellent resistance to alkaline slags and low sensitivity to iron oxide and alkaline compounds, making them widely applicable in the steel, glass, and other high-temperature industries. Alkaline refractory bricks are typically used in areas such as glass furnaces, electric arc furnace bottoms, and in some cases as backup linings. The classification of these bricks is based on the percentage of periclase (MgO), Fe₂O₃ content, and the CaO/SiO₂ ratio. Their special composition and physicochemical properties ensure long service life and dimensional stability under harsh working conditions and sudden temperature changes, significantly enhancing the efficiency of thermal processes.

Alkaline refractory bricks, with high MgO content and a stable crystalline structure, exhibit exceptional resistance to extremely high temperatures and corrosive alkaline environments. This feature ensures long service life and high performance when exposed to alkaline slags, metal oxides, and sudden temperature fluctuations. Such properties make them an ideal choice for use in electric arc furnaces, furnace bottoms, and glass production lines. Your company, by supplying these bricks made from high-quality raw materials and advanced manufacturing technology, provides products that meet international standards. Our expert team ensures that every order is delivered with consistent quality, on-time, and with technical support. Competitive pricing and specialized consultation in selection make us your reliable industrial partner. Alkaline refractory bricks increase productivity and minimize maintenance costs and production downtime.

CaO %	Fe₂O₃ %	SiO₂ %	MgO %
1–1.8	0.5–1.5	0.5–1.5	96–98

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