Ngoba ingilazi ye-magnesium rock wool core material kanye nezingqimba ezimbili ze-steel plate zixhunywe zibe zizonke futhi zisebenza ndawonye.Iphaneli yesandwich yengilazi ye-magnesium rock wool ihlanganisa izinzuzo zephaneli yengilazi ye-magnesium kanye nephaneli yoboya bedwala.
Isici sihlanganisa okungashi, okungangenwa amanzi, okunganambitheki, okungeyona ingozi, okungashisi, okungagqwali, okungaqhekezi, okungashintshiwe, okungashi, ukugxila okuphezulu, ukuqina okuhle, ukumelana nezinga lokushisa eliphezulu (ngaphezu kuka-1000 degrees Celsius), ukuthungwa kanzima, ukuphakama okuphezulu. ukuminyana, ukwakhiwa okulula, impilo ende yenkonzo, njll.