PPR yog qhov luv ntawm hom peb polypropylene, tseem hu ua random copolymer polypropylene yeeb nkab. Nws lees txais kev siv vuam vuam vuam vuam, muaj cov vuam tshwj xeeb thiab txiav cov cuab yeej, thiab muaj cov yas siab. Tus nqi kuj tseem yig. Nrog rau txheej txheej sab nraud ntawm rwb thaiv tsev, qhov ua tau zoo rwb thaiv tsev yog qhov zoo dua, thiab cov yeeb nkab phab ntsa los kuj tseem du, tsis suav cov pob qij txha ntawm cov xov kab sab hauv thiab sab nraud. Nws feem ntau yog siv los ntawm cov kab phab ntsa lossis lub qhov tob tob rau hauv cov kav dej. PPR cov kav dej muaj ntsis, muaj kev ruaj khov nyob rau hauv kev ua tau zoo, kub-resistant, kub-insulating, corrosion-resistant, du sab hauv phab ntsa, tsis muaj scaling, muaj kev nyab xeeb thiab txhim khu kev qha cov raj xa dej, tsis txaus ntseeg, thiab muaj kev pab cuam lub neej txog li 50 xyoo. Txawm li cas los xij, kev tsim kho thev naus laus zis yuav tsum muaj qhov siab, thiab cov cuab yeej tshwj xeeb thiab cov tub txawg tsim nyog rau kev tsim kho txhawm rau kom muaj kev ruaj ntseg ntawm lub system.
PPR yog ib qho kev luam ntawv copolymer polypropylene sib txuas los ntawm cov qib roj theem (PP thiab PE). Nws cov txheej txheem tshwj xeeb yog tias PE cov lwg me me raug tsim los ntawm cov sib txuas ntawm PP cov lwg me me, thiab lub cev nyhav tsis sib xws los ntawm 300,000 txog 800,000. Cov kav dej uas tsim los ntawm PPR raw khoom tseem yog hu ua random copolymer polypropylene kav. Lawv yog cov yas yeeb nkab khoom tsim thiab siv hauv xyoo 1980s thiab pib xyoo 1990. Nrog nws tus kheej ua tau zoo heev thiab ntau yam kev siv, nws twb nyob hauv qhov chaw lag luam yas yeeb nkab thiab tau lees paub tias yog cov khoom lag luam ntsuab thiab ib puag ncig. Txawm li cas los xij, nyob rau xyoo tas los ntawm kev ua haujlwm kev lag luam, kev txheeb xyuas saum toj no ntawm PPR yas yeeb nkab teeb meem zoo kuj pom tau tias ntau yam teeb meem tau tshwm sim hauv PPR cov yeeb nkab ua lag luam, uas tau txwv ntau lub suab txhim kho cov PPR kav.
