Superfine alumina shine muhimmin albarkatun ƙasa don yumbu mai aiki.Superfine alumina foda xz-L20, girman barbashi 100 nm, farin launi, 99% na m abun ciki.Ana iya ƙara shi zuwa resins na tushen ruwa daban-daban, a cikin resins na tushen mai, kaushi da rubbers a matakin ƙari na 3% -5%, wanda zai iya haɓaka taurin kayan har zuwa 6-8H ko ma mafi girma.
Hatsi Q-A1203, tare da ƙananan sinadarai da yanayin juriya, ba busassun alumina da ke kunnawa ba, kuma ba shi da wani aikin motsa jiki.Yana yana da karfi zafi juriya, mai kyau formability, barga crystalline lokaci, high taurin da kuma mai kyau girma da kwanciyar hankali, kuma za a iya amfani da ko'ina a cikin ƙarfafa da toughening na daban-daban robobi, roba, tukwane, refractory kayan da sauran kayayyakin, musamman don inganta yawa. gamawa, zafi da sanyi gajiya, karaya tauri, creep juriya na yumbu da lalacewa juriya na polymer kayan.