Magnesia-iron-aluminum spinel bricks are made of high-purity magnesia, fused magnesia, and fused-iron-aluminum spinel, and are made of pre-synthetic micropowders and composite binders.
Magnesia alumina brick is an alkaline refractory material made of magnesia and industrial lead oxide or alumina, crushed, shaped, and fired at about 1600°C.
High-alumina Firebrick, an aluminum silicate refractory with an alumina content of more than 48%. It is formed and calcined from alumina or other raw materials with high alumina content.
