PPR tseem hu ua peb hom polypropylene yeeb nkab lossis random copolymerized polypropylene. Nws yog extruded rau hauv ib lub raj los ntawm random copolymerized polypropylene thiab txhaj rau hauv ib daim, uas yog non-toxic thiab huv si. Cov khoom siv raw khoom molecules ntawm PP-R tsuas yog carbon thiab hydrogen, thiab tsis muaj teeb meem thiab tshuaj lom. Raws li hom tshiab ntawm cov khoom siv yeeb nkab, PPR yeeb nkab muaj qhov tshwj xeeb zoo. PP-R tuaj yeem siv tsis tau tsuas yog rau cov kav dej kub thiab dej txias, tab sis kuj rau cov dej ntshiab huv. . Lub interface ntawm PPR yeeb nkab txais kev siv tshuab kub-melt, thiab cov kav dej tau sib xyaw ua ke, yog li thaum lub teeb tsa siab dhau lawm, nws yuav tsis muaj hnub nyoog thiab xau zoo li txhuas-yas kav tom qab ntev. Kev ua tiav ntawm PPR tsim cov dej thiab cov pa roj carbon dioxide, yog li PPR zoo yog qhov tsis muaj tshuaj lom.
