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