Muaj ntau hom raw cov ntaub ntawv rau refractory cib, thiab lawv cov muaj pes tsawg leeg tau muab faib rau hauv rau qeb: av, xuab zeb, xuaj zeb, hmoov, hmoov, thiab lwm tus.
Ib qho ntawm cov ntaub ntawv raw, av: alumina av nplaum, kaolin, av nplaum, diatomaceous ntiaj teb.
Cov khoom siv raw thib ob yog pob zeb: jadeite, kyanite, thiab magiclesite, pyrocesatite, pynimite, Magicium txhuas spinel, thiab silica.
Cov khoom siv thib peb yog xuab zeb: ceramic xuab zeb, zircon xuab zeb, quartz xuab zeb, thiab magnnesium xuab zeb.
Cov khoom siv raw plaub, ore: chromite
Cov khoom siv raw tsib, hmoov: hlau txhuas hmoov, silicon micro hmoov, hlau silicai hmoov.
Rau cov ntaub ntawv nyoos rau refractory cib, lwm yam: aspicor resin, silica carbide, silica carbide, silica carbide, silicon carbide, silicon carbide, silicon carbide, silicon carras, alumina sol, zirconia, thiab lwm yam.
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