I-Superfine alumina iyimpahla eluhlaza ebalulekile yezitsha zobumba ezisebenzayo. Superfine alumina powder xz-L20, usayizi wezinhlayiyana 100 nm, umbala omhlophe, 99% wokuqukethwe okuqinile. Ingangezwa kuma-resins asekelwe emanzini ahlukahlukene, ngaphakathi kwama-resin asekelwe ku-oyela, ama-solvents nama-rubber ezingeni lokwengeza lika-3% -5%, elingathuthukisa kakhulu ubulukhuni bezinto ezifika ku-6-8H noma ngaphezulu.
I-Grain Q-A1203, enendawo yayo yamakhemikhali ephansi nokumelana nezinga lokushisa eliphezulu, ayiyona i-alumina eyomile ecushiwe, futhi ayinawo umsebenzi we-catalytic. Inokumelana nokushisa okuqinile, ukwakheka okuhle, isigaba sekristalu esizinzile, ubulukhuni obuphezulu nokuzinza okuhle kwe-dimensional, futhi ingasetshenziswa kabanzi ekuqiniseni nasekuqiniseni amapulasitiki ahlukahlukene, irabha, i-ceramics, izinto eziphikisayo neminye imikhiqizo, ikakhulukazi ukuthuthukisa ukuminyana, ukuqeda, ukukhathala okushisayo nokubanda, ukuqina kokuphuka, ukumelana nokuqina kwe-polymer yobumba.