Magnesia Brick
Magnesia brick with periclase as the main phase (MgO≥95%, refractoriness ≥2000℃) offers outstanding resistance to basic slags and iron-oxide slag plus excellent high-temperature performance.
MgO Content≥95%
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Basic magnesia bricks with strong basic-slag resistance for converters and cement kilns.
Magnesia bricks are basic refractories with strong alkaline-slag resistance, mainly for converters, EAFs, ladle slag lines and cement-kiln burning zones. The range includes MgO-C, magnesia-spinel and magnesia-chrome grades chosen by furnace type and slag chemistry.
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Magnesia-Carbon Brick
Magnesia-carbon brick bonds magnesia with graphite (MgO≥76%, C 14-18%, 1750℃ max). Carbon does not wet slag, giving exceptional slag-line erosion resistance and thermal-shock stability far better than burned magnesia brick.
MgO Content≥76%
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Magnesia-Alumina Spinel Brick
Magnesia-alumina spinel brick (MgO≥88%, Al₂O₃ 6-10%) is a chrome-free, environmentally friendly alternative to magnesia-chrome. Thermal-shock stability ≥8 cycles, resistant to cement clinker and alkali condensation.
MgO Content≥88%
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Magnesia-Chrome Brick
Magnesia-chrome brick (MgO≥60%, Cr₂O₃≥12%, refractoriness ≥1900℃) with magnesia-chromite spinel structure resists attack by high-temperature slags and melts with high hot strength and washout resistance.
MgO Content≥60%
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Magnesia-Calcium Brick
Magnesia-calcium brick (MgO≥70%, CaO≥20%, refractoriness ≥1900℃) uses free CaO to absorb inclusions during refining, cleaning steel and improving cleanliness—the dedicated brick for refining ladles. For LF, VD and VOD ladle working linings and slag lines, and secondary refining ladle walls.
MgO Content≥70%
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