Polypropylene ndi chinthu chomwe chimagwiritsidwa ntchito kwambiri ndi thermoplastic chokhala ndi mawonekedwe apadera omwe apeza ntchito m'mafakitale osiyanasiyana.Mapadi awa samangokhala ndi mawonekedwe osiyanasiyana koma amakhalanso ndi gawo lofunikira m'magawo angapo.