ʻO PP-R, MT05-200Y (RP348P) kahi copolymer polypropylene random i hōʻike ʻia e ka wai maikaʻi loa, i hoʻohana nui ʻia i ka hoʻoheheʻe ʻana i ka injection. Hoʻohanohano ʻo RP348P i nā waiwai maikaʻi loa e like me ke kiʻekiʻe o ka transparency, ka ʻōlinolino kiʻekiʻe, ke kūpaʻa wela, ka paʻakikī maikaʻi, a me ke kūpaʻa i ka leaching. Hoʻokō ka hana biological a me ke kemika o ka huahana me ke kūlana maʻamau YY/T0242-2007 "Polypropylene Special Material for Medical Infusion, Transfusion, and Injection Equipment."