Why CaO and MgO are used for making refractory bricks?
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Answer:
Typically, MgO–CaO refractory bricks composed by 50–80 wt. ... Furthermore, MgO–CaO refractories are beneficial to removing inclusions from molten steels; thus, they have been considered to be one of the effective refractory types for processing clean steel products [2], [4], [9].
Answer:
Mgo and CaO are used to make refractory bricks as they only melt at very high temperatures
Explanation: