Hana ʻia ka alumina ʻeleʻele i hoʻopili ʻia me ka bauxite kiʻekiʻe ma ke ʻano he mea maka, anthracite a me nā waihona hao. Hana ʻia ia ma o ka hoʻoheheʻe ʻana i ka arc ma 2000°C a i ʻole ke kiʻekiʻe o ka mahana. Kuʻi ʻia a hoʻopili ʻia e ka mīkini wili ponoʻī, koho ʻia me ka magnet e wehe i ka hao, kānana ʻia i nā nui like ʻole, a he paʻakikī a paʻakikī kona ʻano. ʻO nā pellets kiʻekiʻe, poepoe, kūpono no ka hana ʻana i ka ceramic, resin abrasive kiʻekiʻe a me ka wili ʻana, ka poli ʻana, ka oneblasting, ka hoʻolei pololei ʻana, a pēlā aku, hiki ke hoʻohana ʻia e hana i nā refractories kiʻekiʻe.
| Nā kikoʻī o ka nui o ka ʻāpana | ||||
| JIS | 240#,280#,320#,360#,400#,500#,600#,700#,800#,1000#,1200#,1500#,2000#,2500#,3000#,3500#, 4000#,6000#,8000#,10000#,12500# | |||
| Kūlana ʻEulopa | F240,F280,F320,F360,F400,F500,F600,F800,F1000,F1200,F1500,F2000,F2500,F3000,F4000, F6000 | |||
| Kūlana aupuni | W63,W50,W40,W28,W20,W14,W10,W7,W5,W3.5,W2.5,W1.5,W1,W0.5 | |||
| Noi | Nā kikoʻī | ʻO ka hoʻohui kemika nui% | Mea makeneka% | ||||
| Al2o3 | Fe2o3 | Sio2 | Tio2 | ||||
| Nā mea hoʻowali | 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 | --------- | |
| Kūpaʻa ʻole | 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 | --------- | ||
| Pauka | 180#-0 200#-0 320#-0 | ≥94.5 ≥93.5 | ≤0.5 | ≤1.5 | ≤3.5 | --------- | |
Inā he mau nīnau kāu. E ʻoluʻolu e hoʻokaʻaʻike mai iā mākou.