High Alumina Castable ndi mtundu wa refractory castable amene amagwiritsa mkulu aluminiyani yaiwisi monga aggregates ndi ufa kenako kuwonjezeredwa ndi womanga. High aluminium refractory castable imakhala ndi mphamvu zamakina apamwamba, kukana kwamphamvu kwamafuta, kukana kwa dzimbiri. Amagwiritsidwa ntchito kwambiri poyatsa ng'anjo ya ng'anjo, ng'anjo yoyaka moto, chitofu chowotcha, ng'anjo yowotcha, uvuni wa ceramic ndi ng'anjo zosiyanasiyana zamafakitale.
High Alumina Castable amatchedwanso calcium clinker, amapangidwa kuchokera ku mafakitale alumina oxide ufa ndi ufa wosankhidwa wa laimu. Amapangidwa atapangidwa pansi pa kutentha kwakukulu mu rotary ndikupera kukhala ufa. Mankhwalawa ndi opangira ma refractory castables apamwamba kwambiri, omwe ndi chida chogwiritsidwa ntchito m'malo otentha kwambiri m'mafakitale monga zitsulo, zomangira, mankhwala, magetsi, etc.
Ubwino:
1.Kulimba kwamphamvu kwambiri komanso kukhazikika kwakukulu pa kutentha kwakukulu
2.Kukana kwamphamvu kwa kukokoloka kwa slag ndi kulowa
3.Kukana bwino kuzizira ndi kutentha kapena kusintha koonekeratu kwa chilengedwe
4.Good mankhwala dzimbiri kukana asidi slag kapena yankho