Ingubo yefayibha yobumba

Kwenziwe nge-gangue yamalahle ehlanganiswe ngogesi, ubumba lwe-flint, i-alumina, i-silica, i-zirconia nezinye izinto zokusetshenziswa ngokusebenzisa i-filamentizing. Ngemva kokufakwa kwe-needling nokwelashwa kokushisa, umkhiqizo unezintambo ezilukiwe ngokulinganayo kanye namandla aphezulu okunamathela, futhi awunazo izihlanganisi. Unesimo esihle kakhulu sokumelana namakhemikhali futhi usetshenziswa kabanzi ekusetshenzisweni kokuvikela ukushisa, ukuvikela ukushisa kanye nokugcina ukushisa.