O le PP-R, MT05-200Y (RP348P) o se polypropylene random copolymer e iloga i le lelei tele o le sologa lelei, e masani ona faʻaaogaina i le faʻapipiʻiina o tui. E mitamita le RP348P i ona uiga sili ona lelei e pei o le manino maualuga, pupula maualuga, teteʻe atu i le vevela, malosi lelei, ma teteʻe atu i le soloia. O le faʻatinoga faʻabiologika ma vailaʻau a le oloa e ogatasi ma le tulaga masani YY/T0242-2007 "Polypropylene Special Material for Medical Infusion, Transfusion, and Injection Equipment."
