Kedu ihe bụ ihe refractory a na-eji na ọkụ ọkụ

Refractories a na-eji n’ọkụ mgbawa gụnyere brik carbon na silicon-alumina refractories. Brick carbon na-agbawa ọkụ gụnyere brik carbon nke ọkara graphite, brik carbon microporous, brik carbon ultra-microporous, brik graphite na obere brik carbon akpụziri.