Cov xov paj E-iav fiber twist yog cov ntaub rwb thaiv hluav taws xob, cov ntaub siv hluav taws xob thiab lwm yam ntaub rau kev siv hauv kev lag luam, siv tau rau cov xov hlau thiab cov xov hlau txheej, casing, mines fuse, txhua yam khoom siv rwb thaiv hluav taws xob ntawm cov khoom siv hluav taws xob. Qhov kev ua tau zoo tshaj plaws yog qhov ruaj khov ntawm cov xov qub, hnav tsis kam, thiab cov xov hlau plaub hau tsawg dua, lub zog tensile siab, rwb thaiv hluav taws xob, tiv taus corrosion, tiv taus kub siab, thiab tshuaj lom neeg zoo. Kev ntsuas kab siv cov hmoov txhuv nplej siab ua tus neeg sawv cev infiltrating thiab siv cov ntsuas ntsuas kom zoo.
Cov xov fiberglass muaj cov lej teev tseg ntawm E-Glass filaments ntawm qee qhov txoj kab uas hla, coj los ua ke los ua ib txoj xov. Cov qauv ntawm cov xov yog kho thiab tiv thaiv los ntawm qhov loj me thiab me ntsis ntswj, feem ntau hauv Z-kev taw qhia.