Question
a.
Insulating refractories used in place of regular refractory bricks are usually called light weight refractories, and they have similar composition as heavy bricks.
b.
Graphite refractories are also called plumbago refractories.
c.
Superduty fireclay bricks correspond to a pyrometric cone equivalent of 26-28.
d.
Calcined magnesite is also called dead burnt magnesite.
Posted under Basic Chemical Engineering
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