A na-eme corundum ọcha n'okpuru ọnọdụ okpomọkụ dị elu karịa ogo 2000.Site n'ọtụtụ usoro gụnyere ịkụpịa, ịkpụzi na sieving, ọ na-eme nke ọma n'ọdịdị na isi ike dị ka ihe a na-ejikarị eme ihe.Corundum na-acha ọcha ọ bụghị naanị na isi ike dị elu, kamakwa ọ na-agbaji n'ụdị, ike na-egbutu ike.Ọ na-arụkwa ọrụ nke ọma na mkpuchi, na-akpụzi onwe ya, na-eyi nguzogide na ikpo ọkụ ọkụ.Ka ọ dị ugbu a, ọ na-eguzogide acid na alkali corrosion na okpomọkụ dị elu.Ya mere, dị ka ihe siri ike nke ukwuu, corundum ọcha nwere ezigbo ihe onwunwe.
Njirimara anụ ahụ ahụkarị
| Isi ike | 9.0 moh |
| Agba | ọcha |
| Ụdị ọka | angular |
| Ebe mgbaze | ca.2250 Celsius C |
| Okpomọkụ ọrụ kacha | ca.1900 Celsius C |
| Nnukwu ike ndọda | ca.3.9g/cm 3 |
| Nnukwu njupụta | ca.3.5g / cm3 |
Nyocha anụ ahụ a na-ahụkarị
| White Fused Alumina Macro | Fuse ọchaAlumina ntụ ntụ |
| Al2O3 | 99.5% | 99.5% |
| Na2O | 0.35% | 0.35% |
| Fe2O3 | 0.1% | 0.1% |
| SiO2 | 0.1% | 0.1% |
| CaO | 0.05% | 0.05% |
Nha dị
Alumina Macro jikọtara ọcha
| PEPA | Nkezi nha ọka(μm) |
| F 020 | 850-1180 |
| F 022 | 710-1000 |
| F 024 | 600-850 |
| F 030 | 500-710 |
| F 036 | 425-600 |
| F 040 | 355-500 |
| F 046 | 300-425 |
| F 054 | 250-355 |
| F 060 | 212-300 |
| F 070 | 180-250 |
| F 080 | 150-212 |
| F 090 | 125-180 |
| F 100 | 106-150 |
| F 120 | 90-125 |
| F 150 | 63-106 |
| F 180 | 53-90 |
| F 220 | 45-75 |
| F240 | 28-34 |