Senza isiko lokuvelisa iRubha eBondeziweyo ukuya kwiMetal ngokwesicelo somthengi okanye uyilo okanye imifanekiso eneenkcukacha。
Izixhobo ziyirabha yeNdalo, i-SBR, irabha yeSilicone, irabha ye-nitrile i-NBR okanye i-EPDM irabha, njl njl kunye nazo zonke iiMetals (umz。i-aluminiyam, intsimbi), (Inokuba yindleko)。