Mkuwa wosweka nthawi zambiri umakhala wakuda kapena bulauni, pamwamba pake pali kunyezimira kwachitsulo, kapangidwe kake kamkati kamakhala ndi vitreous, kapangidwe kake ndi kolimba, kolimba komanso kofooka, ndipo kapangidwe ka mankhwala ndi kovuta kwambiri. Kuchokera ku mkuwa wa ena omwe ali mu mkuwa wochepa (Cu <1%), ena ali mu mkuwa wapakati (Cu1 ~ 2%), ena ali mu mkuwa wolemera (Cu> 2%), FeSi02, CaO, AL203 ndi yokwera, yomwe imawerengera zoposa 60% ya slag, kuchuluka kwakukulu kwa mchere wa peridotite yachitsulo, kutsatiridwa ndi magnetite, pali mitsempha yaying'ono yopangidwa ndi thupi la vitreous.
Xiye wapanga ndikudziwa bwino ukadaulo wothira matope pogwiritsa ntchito njira yamagetsi, yomwe imateteza chilengedwe, kubwezeretsanso zinyalala zolimba ndikusandutsa zinyalala kukhala chuma.
Ukadaulo wa njira imeneyi umagwiritsa ntchito ng'anjo yapadera yamagetsi yopangidwa ndi Xiye yokha, ndipo umagwiritsa ntchito njira yapadera yolipirira, zomwe zimapangitsa kuti ukadaulo wothira chitsulo chosungunuka cha mkuwa ugwire ntchito ndi ng'anjo yoyamba yamagetsi ku China ugwire bwino ntchito.
