Pick out the wrong statement?

A. Graphite refractories are also called plumbago refractories

B. Calcined magnesite is also called dead burnt magnesite

C. Superduty fireclay bricks correspond to a pyrometric cone equivalent of 26-28

D. Insulating refractories used in place of regular refractory bricks are usually called light weight

E. ractories, and they have similar composition as heavy bricks

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.