Diene elastic fiber (filar roba)

    Diene elastic fibers, wanda aka fi sani da zaren roba ko zaren roba, galibi sun ƙunshi vulcanized polyisoprene kuma suna da kyawawan sinadarai da kaddarorin jiki kamar tsananin zafin jiki, juriyar acid da alkali, da juriya. Ana amfani da su sosai a masana'antar saka kamar safa da ribbed cuff. Fiber na roba shine fiber na farko da aka yi amfani da shi, amma amfani da shi wajen saƙar yadudduka yana da iyaka saboda babban samar da yadudduka masu ƙima.