ukusetshenziswa kwe-kaolin: Ukubukeka kwensimbi ye-kaolin kumhlophe, okumpunga okukhanyayo neminye imibala.Uma iqukethe ukungcola, izoba phuzi, ibuyele emuva noma ivuke.Iwugqinsi, inhlabathi enkulu noma exegayo, ithambile, iyashelela, futhi iqinile kunezinzipho.Ukuminyana okuhlobene 2.4~2.6.I-refractoriness ephezulu, kufika ku-1700 ~ 179...
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