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1. Magnesia carbon refractory brick series: According to the conditions of use, it can be divided into general high-strength, high-carbon and other varieties. Mainly used for top and bottom combined blowing converters and high-power electric furnaces.

2. Magnesia-calcium carbon series: It can be divided into tar-combined dolomite refractory bricks, tar-combined dolomite carbon bricks and resin-combined magnesia-dolomite carbon bricks, which are mainly used for combined blowing converters.

3. Magnesium chromium refractory brick series: can be divided into general magnesia chromium refractory bricks, low silicon and high load soft magnesia chromium refractory bricks. Mainly used in large-scale rotary kilns and refining furnaces outside the furnace.

4. Magnesia-aluminum refractory brick series: It can be divided into general magnesia-aluminum refractory bricks and medium-grade magnesia-aluminum bricks (using magnesia containing about 95% MgO), which are mainly used for open hearth tops.