Inkoni zihagarika: Kuri tundish yimashini zihoraho zikoreshwa, ibyuma byuzuye birakoreshwa cyane. Inert ikingira gaze isohoka mu mwobo muto uri mu mutwe w’icyuma cyacometse, gishobora kubuza okiside ya aluminiyumu gushira hafi y’ikidodo cy’icyambu cy’amazi, cyangwa kugabanya umubare wacyo, kandi ikimurira ahakusanyirijwe hasi. Kugirango wongere ubuzima bwicyuma cyumutwe kugirango byorohereze itanura ryinshi guhora usuka, ucomeke imitwe hamwe na zirconia multilayer cyangwa inkoni zuzuye za zirconi zikoreshwa kuri tundish ya plaque caster.
Tudish nozzles: Ibikoresho bya tundish nozzles byatoranijwe ukurikije ubwoko bwibyuma byasutswe, mugihe usutse ibyuma rusange bya karubone, urashobora gukoresha mullite nozzle irimo Al2O3 70 ~ 75%. Iyo usutse ibyuma byoroshye-byoroshye, magnesium oxyde cyangwa zirconia nozzles irashobora gukoreshwa. Iyo usutse ibyuma bya manganese muremure, aluminiyumu ya grafite cyangwa zirconia nozzles irashobora gukoreshwa.