Ibyuma bito bikoreshwa muri sima ni bimwe mu bikoresho bishobora guhindurwamo imbaraga bifite ubushyuhe buri hejuru ya dogere 1550, bikoresha sima ya aluminate nk'igikoresho cyo kuyihambiraho, aho ingano ya CaO iri munsi ya 2.5%. Ibyuma bito bikoreshwa muri sima isanzwe bigizwe ahanini n'ibikoresho bito bito bikoreshwa mu guhindurwamo imbaraga, ifu ikoreshwa mu guhindurwamo imbaraga n'amazi. Ugereranyije n'ibikoresho bisanzwe bishobora guhindurwamo imbaraga, ibikoresho bito bikoreshwa mu guhindurwamo imbaraga bifite imikorere myiza nko kuba sima nke, koroshya ubwinshi bw'ibikoresho, koroshya ubwinshi bw'ibikoresho no gukomera cyane mu bukonje. Kandi kandi ubucucike buke bwa sima buruta ubundi bucucike bukoreshwa mu guhindurwamo imbaraga.
Ifu ya sima ntoya ni ifu ikoreshwa mu gushonga ikozwe mu ifu nziza cyane, sima ya aluminiyumu n'ibindi bivangwa. Byongeye kandi, ingano y'ibi bivanze ishobora kugira ingaruka ku mikorere yabyo. Ku bijyanye n'ingano y'amazi, bitewe n'uko ibintu byoroshye kuvanga, kongeramo amazi make bishobora kugabanya imyenge no kongera imbaraga. Ifu ya sima ntoya ifite ibyiza byo kuba amazi make, ubucucike bwinshi n'imbaraga nyinshi, ari nayo mpamvu iyi fu ya sima ikoreshwa cyane mu itanura n'amatanura bitandukanye.
Ubushyuhe n'imbaraga bikabije byo mu kirere ndetse no kurwanya ingese nyinshi.
Ubwinshi bw'amazi buri hasi kandi afite ubucucike bwinshi. Mu gihe cyo kubaka, amazi 1/3 ~ 1/2 gusa yo gukoresha mu gucukura amazi gakondo ni yo azongerwamo.
Kongera imbaraga hamwe n'ubushyuhe bwo kuvura ubushyuhe nyuma yo gucukurwa mu ishusho: Iyo uhinduye neza ingano y'imashini icukurwa, ishobora kuvangwa mu bikoresho byo kwicukura bicukurwa mu buryo bwikora n'ibisukwa bivangwa.
| Ikintu/Icyitonderwa | M | A1 | A2 |
| Igice cy'ibinyabutabire | 65 | 80 | 90 |
| Igiteranyo | Mullite | Corundum | Corundum |
| Ubushyuhe ntarengwa bwa serivisi | 1600 | 1700 | 1800 |
| Refractorinee | 1750 | 1790 | 1790 |
| Ubucucike bw'umubyimba | 2.6 | 2.8 | 3.0 |
| Guhindura umurongo nyuma yo gusimbuka | |||
| 1000℃ | -0.2 | -0.2 | -0.2 |
| 1300℃ | ± 0.5 | ± 0.5 | ± 0.5 |
| Imbaraga z'umuvuduko nyuma yo gusigwa | |||
| Amasaha 110*24 | 30 | 30 | 30 |
| 1000*Amasaha 3 | 50 | 50 | 50 |
| 1400*Amasaha 3 | 70 | 80 | 80 |
Imashini igabanya ubushyuhe ikoreshwa cyane mu nganda nyinshi nko mu nganda zikora ibyuma, inganda zikora peteroli, uruganda rutanga amashanyarazi, ubwubatsi n'izindi nganda. Kandi imashini igabanya ubushyuhe ikoreshwa cyane mu itanura n'amabati mu bice bitandukanye bitewe n'imiterere itandukanye. Urugero, ibumba n'imashini igabanya ubushyuhe ikoreshwa cyane ku dupfunyika tw'itanura rishyuha, mu itanura rito n'andi mashanyarazi akoreshwa mu gutunganya ubushyuhe.
Uruganda rwa RS rukora ibikoresho byo gushonga bidakoresha sima nyinshi kandi byakozwe mu buryo bwa kinyabutabire, rwashinzwe mu ntangiriro z'ikinyejana cya 20. Uruganda rwa RS rukora ibikoresho byo gushonga bidakoresha sima nyinshi kandi byakozwe mu buryo bwa kinyabutabire mu gihe cy'imyaka irenga 20. Niba ukeneye ibikoresho byo gushonga bidakoresha sima nyinshi kandi byakozwe mu buryo bwa kinyabutabire, cyangwa ufite ibibazo ku bikoresho byo gushonga bidakoresha sima nyinshi kandi byakozwe mu buryo bwa kinyabutabire, twandikire ku buntu. Kandi uruganda rwa Rs rukora ibikoresho byo gushonga bidakoresha sima nyinshi kandi byakozwe mu buryo bwa kinyabutabire mu Bushinwa, rufite inyungu zimwe na zimwe zo guhangana nazo nk'izi zikurikira: