Mainly is magnesium oxide, sodium silicate as a binder
There are several kinds of refractory brick, clay brick, carborundum brick, chromium carbon.
The main ingredient of silica brick is monox. there are various materials of refractory bricks, the main component of high alumina brick and clay brick is aluminium, the main ingredient of each kind of material is not the same, the main component of magnesia bricks and magnesia chrome bricks is magnesium oxide
