Fluoroelastomer -FKM/FPM
Fluoroelastomer wani elastomer na roba ne na roba wanda ke dauke da atom na fluorine akan atom din carbon na babban sarkar ko sarkar gefe. Gabatarwar zarra na fluorine yana ba da roba kyakkyawan juriya na zafi, juriya na iskar shaka, juriya mai, juriya na lalata da juriya na yanayi, kuma ana amfani dashi sosai a sararin samaniya, jirgin sama, motoci, man fetur da kayan aikin gida.