What is Refractory Materials?
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Substances which do not melt even at high temperatures are
termed as refractory material. These are used for inner
linning furnaces. Examples of these are:-
(a)Slica (acideic in nature)
(b)Lime, magnesite, dolomite (basic in nature)
(c)Bone-ash (Neutral)
(d)Fire-clay
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