Ikoreshwa cyane cyane mu kumisha umwuka mu gihe cyo gutandukanya umwuka nk'amaziikinyabutabiren'ibikoresho bitwara ibikomoka kuri peteroli mu nganda zikora peteroli, mu nganda zikora amashanyarazi, mu nganda zikora inzoga, nibindi nk'urwego rukingira rwa silica isanzwe ya si-al. Iyo ibicuruzwa bikoreshejwe nk'urwego rukingira, ingano yabyo igomba kuba hafi 20% by'ingano yose yakoreshejwe.
Ibisobanuro bya tekiniki:
| Ibintu | Amakuru | |
| Al2O3 % | 12-18 | |
| Ubuso bwihariye ㎡/g | 550-650 | |
| 25 ℃ Ubushobozi bwo Kumenya % wt | RH = 10% ≥ | 3.5 |
| RH = 20% ≥ | 5.8 | |
| RH = 40% ≥ | 11.5 | |
| RH = 60% ≥ | 25.0 | |
| RH = 80% ≥ | 33.0 | |
| Ubucucike bw'umubyimba g/L | 650-750 | |
| Imbaraga zo gusya N ≥ | 80 | |
| Ingano y'umuyoboro mL/g | 0.4-0.6 | |
| Ubushuhe % ≤ | 3.0 | |
| Igipimo cyo kudacika kw'amazi % | 98 | |
Ingano: mm 1-3, mm 2-4, mm 2-5, mm 3-5
Gupakira: Imifuka ya 25kg cyangwa 500kg
Inyandiko:
1. Ingano y'uduce, ipaki, ubushuhe n'ibipimo byatwo bishobora guhindurwa.
2. Ingufu zo gusya ziterwa n'ingano y'uduce.