I-Fiberglass yi-inorganic non-metallic material enentsebenzo egqwesileyo kunye neentlobo ezininzi zeenzuzo, ezifana nokugquma okulungileyo, ukumelana nobushushu, ukumelana nokugqwala, amandla omatshini aphezulu, ubunzima obukhanyayo, amandla aphezulu kunye nokuzinza kobushushu obuphezulu. Ke ngoko, isetyenziswa ngokubanzi njengezinto zokuqinisa izinto ezihlanganisiweyo kwiinkalo ezahlukeneyo, njengokwakhiwa, i-aerospace, iimoto, zaselwandle, i-elektroniki, imboni yeekhemikhali njl.