Corundum refractory castables suna amfani da bauxite calcined a matsayin tara, tare da matrix wanda ya ƙunshi bauxite calcined da fine corundum foda; an tsara tsarin ɗaure ta amfani da kayan haɗin gwiwa irin su ultrafine powders da additives. Ana amfani da shi sosai don rufin tanderun masana'antu{1}ciki har da na'urori masu dumama, murhu mai zafi{2}}wararrun murhun wuta, da tanderun sake dumama{3}wannan kayan yana ba da kyakkyawan juriya ga saurin saurin zafi, yanayin zafi, da girgizar zafi.
Haɗin zafin zaruruwan bakin karfe mai juriya da kyau yana haɓaka ƙarfin tsarin gabaɗaya kuma yana hana lalata bangon tanderu. Dangane da takamaiman buƙatun masana'antu, ana samun kayan a nau'ikan iri daban-daban, kamar chrome{2}}corundum da zirconia{3}}corundum. Ƙirƙirar ta ƙunshi tsauraran bincike na sinadarai na albarkatun ƙasa da gwajin kadarorin jiki; Ana tabbatar da ma'auni na haɗin gwiwa ta hanyar gwaji, kuma samfuran da aka gama suna fuskantar gwajin aiki don sigogi kamar ƙarfin sassauƙa da yawa mai yawa.