Alumina bunni ah oo la isku daray waxaa laga sameeyay bauxite tayo sare leh oo ah walxo cayriin ah, anthracite iyo bir. Waxaa lagu sameeyaa dhalaalid arc ah heerkul ah 2000°C ama heerkul ka sarreeya. Waxaa la burburiyaa oo balaastig lagu sameeyaa mashiinka is-shiididda, si bir ah ayaa loo xushay si looga saaro birta, waxaana lagu shaandheeyaa cabbirro kala duwan, qaabkeeduna waa mid cufan oo adag. Kalluunno wareegsan oo sarreeya, oo ku habboon soo saarista dhoobada, resin xoqid sare leh iyo shiidid, dhalaalin, ciid-burburin, shubid sax ah, iwm., ayaa sidoo kale loo isticmaali karaa in lagu soo saaro refractories heer sare ah.
| Qeexitaannada Cabbirka Walxaha | ||||
| JIS | 240#,280#,320#,360#,400#,500#,600#,700#,800#,1000#,1200#,1500#,2000#,2500#,3000#,3500#, 4000#,6000#,8000#,10000#,12500# | |||
| Heerka Yurub | F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1200, F1500, F2000, F2500, F3000, F4000, F6000 | |||
| Heerka Qaranka | W63,W50,W40,W28,W20,W14,W10,W7,W5,W3.5,W2.5,W1.5,W1,W0.5 | |||
| Codsiga | Faahfaahinta | Halabuurka kiimikada ugu weyn% | Walax birlab ah% | ||||
| Al2o3 | Fe2o3 | Sio2 | Tio2 | ||||
| Bareesyada | F | 4#-80# | ≥95 | ≤0.3 | ≤1.5 | ≤3.0 | ≤0.05 |
| 90#—150# | ≥94 | ≤0.03 | |||||
| 180#—240# | ≥93 | ≤0.3 | ≤1.5 | ≤3.5 | ≤0.02 | ||
| P | 8#—80# | ≥95.0 | ≤0.2 | ≤1.2 | ≤3.0 | ≤0.05 | |
| 100#—150# | ≥94.0 | ≤0.3 | ≤1.5 | ≤3.5 | ≤0.03 | ||
| 180#—220# | ≥93.0 | ≤0.5 | ≤1.8 | ≤4.0 | ≤0.02 | ||
| W | 1#-63# | ≥92.5 | ≤0.3 | ≤1.5 | ≤3.0 | ----------- | |
| Aan adkaysan karin | Duansha | 0-1mm 1-3mm 3-5mm 5-8mm 8-12mm | ≥95 | ≤0.3 | ≤1.5 | ≤3.0 | ----------- |
| 25-0mm 10-0mm 50-0mm 30-0mm | ≥95 | ≤0.3 | ≤1.5 | ≤3.0 | ----------- | ||
| Budada | 180#-0 200#-0 320#-0 | ≥94.5 ≥93.5 | ≤0.5 | ≤1.5 | ≤3.5 | ----------- | |
Haddii aad qabtid wax su'aalo ah. Fadlan xor u noqo inaad nala soo xiriirto.