Alumina Gusya Umupira ukoreshwa mumashini yumupira
Tekiniki ya tekinike yo gusya umupira
| Ibicuruzwa | Al2O3% | Ubwinshi bwinshi g / cm2 | Kwinjiza amazi | Igipimo cya Mohs | Gutakaza Abrasion% | Ibara | |
| Imipira yo hejuru ya alumina | 92 | 3.65 | 0.01 | 9 | 0.011 | Cyera | |
| Hagati ya alumina gusya imipira | 65-70 | 2.93 | 0.01 | 8 | 0.01 | Umuhondo-Umweru | |
| Icyifuzo cyo kugaragara | |||||||
| Imipira yo hejuru ya alumina | Hagati ya alumina gusya imipira | ||||||
| Crack | Ntabwo ari uruhushya | Ntabwo ari uruhushya | |||||
| Umwanda | Ntabwo ari uruhushya | Ntabwo ari uruhushya | |||||
| Umwobo | Hejuru ya 1mm ntabwo byemewe, ubunini muri 0.5mm yemerera imipira 3. | ||||||
| Inenge | Icyiza. ingano muri 0.3mm yemerera imipira 3. | ||||||
| Ibyiza | a) Ibirimo byinshi bya alumina | ||||||
| Garanti | a) Ukurikije urwego rwigihugu HG / T 3683.1-2000 | ||||||
UBWOKO1:
Ibigize imiti isanzwe:
| Ibintu | Umubare | Ibintu | Umubare |
| Al2O3 | 65-70% | SiO2 | 30-15 |
| Fe2O3 | 0.41 | MgO | 0.10 |
| CaO | 0.16 | TiO2 | 1.71 |
| K2O | 4.11 | Na2O | 0.57 |
Ingano y'ibicuruzwa:
| (Mm) | Umubumbe (cm3) | Uburemere (g / pc) |
| Φ30 | 14 ± 1.5 | 43 ± 2 |
| Φ40 | 25 ± 1.5 | 100 ± 2 |
| Φ50 | 39 ± 2 | 193 ± 2 |
| Φ60 | 58 ± 2 | 335 ± 2 |
UBWOKO 2:
Ibigize imiti isanzwe:
| Ibintu | Umubare | Ibintu | Umubare |
| Al2O3 | ≥92% | SiO2 | 3.81% |
| Fe2O3 | 0.06% | MgO | 0,80% |
| CaO | 1.09% | TiO2 | 0,02% |
| K2O | 0.08% | Na2O | 0.56% |
Ibintu byihariye:
| (Mm) | Umubumbe (cm3) | Uburemere (g / pc) |
| Φ30 | 14 ± 1.5 | 43 ± 2 |
| Φ40 | 25 ± 1.5 | 126 ± 2 |
| Φ50 | 39 ± 2 | 242 ± 2 |
| Φ60 | 58 ± 2 | 407 ± 2 |
