I-polyester resin engafakwanga ingenye yezinhlaka ze-thermosetting ezisetshenziswa kakhulu ezisebenza kahle kakhulu.Ingelapheka ekamelweni lokushisa futhi ibunjwe ngaphansi kwengcindezi evamile, ngokusebenza kwenqubo eguquguqukayo, ifaneleka ikakhulukazi ukukhiqizwa kwemikhiqizo ye-FRP ngezinga elikhulu nasendaweni.Ngemva kokwelapha, i-resin inokusebenza okuhle okuphelele, inkomba yokusebenza komshini iphansi kancane kune-epoxy resin, kodwa ingcono kune-phenolic resin.Ukumelana nokugqwala, izakhiwo zikagesi kanye ne-flame retardant ngokukhetha izinga elifanele le-resin ukuhlangabezana nezidingo zombala wokukhanya kwe-resin, kungenziwa imikhiqizo ekhanyelayo.Kunezinhlobonhlobo eziningi, eziguqulelwe kabanzi, futhi intengo iphansi.