An yi farin foda na alumina da aka haɗa da foda mai ƙarancin sodium mai tsafta ta hanyar narkewa a yanayin zafi mai yawa, sanyaya kristal, sannan a niƙa. Ana sarrafa farin foda na aluminum oxide da aka haɗa da farin don kiyaye girman hatsi da kuma kamannin da ya dace.
Rarraba girman hatsin da aka yi da farin foda alumina mai haɗe yana da kunkuntar. Bayan an sarrafa shi, farin foda corundum mai tsarki yana da cikakken hatsi, gefuna masu kaifi da kusurwoyi, ingantaccen niƙa mai yawa, da haske mai ƙarfi. Ingancin niƙa ya fi na gogewa mai laushi kamar silica.
Saboda kyawun bayyanarsa, saman abin da aka goge yana da kyakkyawan ƙarewa. Ana amfani da shi sosai a cikin niƙa da goge semiconductors, lu'ulu'u, allon da'ira, aluminum, ƙarfe, bakin ƙarfe, dutse, gilashi, da sauransu. Musamman a masana'antar niƙa da goge bakin ƙarfe, aluminum, jan ƙarfe da sauran kayan ƙarfe da masana'antar gilashi, yana nuna cikakken aiki mai kyau.
Fari, α lu'ulu'u sama da 99%, tsarki mai yawa, tauri mai yawa, da kuma ƙarfi mai yawa, ƙarfin yankewa mai ƙarfi, kwanciyar hankali mai ƙarfi na sinadarai, da kuma rufin kariya mai ƙarfi.
| Siffar lu'ulu'u | tsarin α mai siffar trigonal |
| Yawan gaske | 3.90 g/cm3 |
| Ƙarfin ƙarfin lantarki | 2000 - 2200 Kg/mm2 |
| Taurin Mohs | 9 |
| Bayani dalla-dalla game da girman barbashi da abun da ke ciki | |
| JIS | 240#,280#,320#,360#,400#,500#,600#,700#,800#,1000#,1200#,1500#,2000#,2500#,3000#,3500#,4000#,6000#,8000#,10000#,12500# |
| Matsayin Turai | F240,F280,F320,F360,F400,F500,F600,F800,F1000,F1200,F1500,F2000,F2500,F3000,F4000,F6000 |
| Ma'aunin ƙasa | W63,W50,W40,W28,W20,W14,W10,W7,W5,W3.5,W2.5,W1.5,W1,W0.5 |
| Sinadarin sinadarai | ||||
| Hatsi | Sinadarin sinadarai (%) | |||
|
| Al2O3 | SiO2 | Fe2O3 | Na2O |
| 240#--3000# | ≥99.50 | ≤0.10 | ≤0.03 | ≤0.22 |
| 4000#-12500# | ≥99.00 | ≤0.10 | ≤0.05 | ≤0.25 |
Babu wani tasiri game da launin sassan da aka sarrafa.
Ana iya amfani da shi a cikin hanyoyin da aka haramta shan ƙarfe mai yawa.
Tsarin hatsi ya dace sosai don aikin gogewa da kuma gogewa da jika.
1. Fashewar yashi, gogewa da niƙa ƙarfe da gilashi.
2. Ciko fenti, shafi mai jure lalacewa, yumbu, da gilashi.
3. Yin dutse mai, dutse niƙa, ƙafafun niƙa, takarda mai yashi da zane mai kama da na emery.
4. Samar da membranes na tace yumbu, bututun yumbu, faranti na yumbu.
5. Samar da ruwa mai gogewa, kakin zuma mai ƙarfi da kakin ruwa mai laushi.
6. Don amfani da bene mai jure lalacewa.
7. Ci gaba da niƙa da goge lu'ulu'u na piezoelectric, semiconductors, bakin ƙarfe, aluminum da sauran ƙarfe da waɗanda ba ƙarfe ba.
8. Bayani dalla-dalla da abun da ke ciki
Idan kuna da wasu tambayoyi. Da fatan za ku iya tuntuɓar mu.