Kei a Aopoly te raina whakangao o te muka filament polypropylene me te maha o nga tau o te wheako whakaputa, taputapu whakamatautau matatau, hangarau whakamua, ratonga akomanga tuatahi.Ko te miro polypropylene (PP) kua tae ki te Dope me te miro kakawaua PP polypropylene tino kaha ko o matou hua matua, engari ehara i te mea iti noa ki te miro PP Flat (e rua te Tino Tino me te Tino Tino), te miro PP Anti-pahekeheke, Miro PP Hollow, PP Fluorescent miro. , PP miro Luminous, PP miro mura-muri, PP Profiled miro, etc.