Three categories of common refractory

Often used ordinary refractory:silica brick, half brick, fireclay brick, high alumina brick, magnesia brick and so on.

• Often used special materials are AZS bricks, corundum bricks, direct bonded magnesia chrome brick, brick carbide, silicon nitride bonded silicon carbide bricks, nitrides, silicides, sulfides, borides,
  
  carbides and other non-oxide refractories ; calcium oxide, chromium oxide, aluminum oxide, magnesium oxide, beryllium oxide refractories.

• Often used insulation refractory diatomite products, asbestos products, insulation panels.

• Frequently used unshaped refractories:fettling, refractory ramming mixes, refractory castable, refractory plastic, refractory clay, refractory gunning refractory cast materials, fire-resistant coatings, lightweight refractory castable, gun mud.