Imiyoboro ya PP ikorwa muri polypropylene, polymer ya thermoplastic izwiho kuramba no muburyo bworoshye. Imwe mu nyungu zihagarariye imiyoboro ya PP ni ukurwanya neza kwangirika kwa chimique, kubituma bikwiranye no gutwara amazi menshi, harimo aside na base. Uyu muco ni mwiza cyane mubikorwa byinganda aho kurwanya imiti