Refractory Materials are usually non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000 °F (811 K; 538 °C)。

Silicon carbide
Calcined flint clay
Electrically fused magnesia
Abrasive calcined bauxite
Rotary calcined bauxite
Kao lin
Calcined kao lin
China clay
Fused Mullite
Asbestos fibre textile products
Nice Foundry Sand
Black Fused Alumina
Brown fused aluminium
Dead burned magnesite
Calcined magnesite
Fused quartz