Polyester hollow fiber inzvimbo ine hushamwari uye inogona kushandiswa zvakare yakagadzirwa kubva kune yakaraswa machira uye mabhodhoro epurasitiki kuburikidza neakawanda maitiro sekuchenesa, kunyungudika, uye kudhirowa. Kusimudzira polyester faibha kunogona kunyatso dzokorora uye kushandisazve zviwanikwa, kuderedza kutambisa zviwanikwa uye kusvibiswa kwezvakatipoteredza. Uye zvakare, iyo yakasarudzika mhango chimiro inounza yakanyanya kusimba insulation uye kufema, ichiita kuti ibude pakati pezvizhinji zvigadzirwa zvefiber.