Lihlahisoa tsa fiberglass tse matlafalitsoeng tsa polypropylene ke lisebelisoa tsa polasetiki tse fetotsoeng. Fiberglass reinforced polypropylene ka kakaretso ke kholomo ea likaroloana tse bolelele ba 12 mm kapa 25 mm le bophara bo ka bang 3 mm. Likarolong tsena fiberglass e na le bolelele bo lekanang le likaroloana, likhalase tsa fiber ea khalase li ka fapana ho tloha ho 20% ho isa ho 70% mme 'mala oa likaroloana o ka bapisoa le litlhoko tsa moreki. Likaroloana ka kakaretso li sebelisoa ts'ebetsong ea ente le ho bopa ho hlahisa likarolo tsa meralo kapa tsa sebopeho bakeng sa lits'ebetso tsa likoloi, kaho, lisebelisoa tsa lapeng, lisebelisoa tsa motlakase le tse ling tse ngata.
Likopo indastering ea likoloi: liforeimi tse ka pele, limmojule tsa mamati a 'mele, marapo a dashboard, li-fan le liforeimi tse pholileng, literei tsa betri, joalo-joalo, e le sebaka sa lisebelisoa tse matlafalitsoeng kapa lisebelisoa tsa tšepe.