Nau'in polypropylene guda uku, ko copolymer bazuwarpolypropylene bututu, ana magana da taƙaice ta PPR.Wannan abu yana amfani da walda mai zafi, yana da ƙwararrun walda da kayan aikin yanke, kuma yana da babban filastik.Farashin kuma yana da ma'ana.Lokacin da aka ƙara wani Layer na insulating, aikin rufewa yana inganta kuma bangon bututu, ban da haɗin kai tsakanin wayoyi na ciki da na waje, yana da santsi sosai.

Ana amfani da shi a cikin bututun da aka riga aka binne a cikin rijiyoyi masu zurfi ko bangon da aka saka.Farashin PPRyana da rayuwar sabis na har zuwa shekaru 50, yana da farashi mai dacewa, kwanciyar hankali a cikin aiki, mai jurewa zafi da zafi mai zafi, lalatawa, mai laushi da rashin ƙima a kan bangon ciki, aminci da aminci a cikin tsarin bututun mai.Don tabbatar da amincin tsarin, ana buƙatar kayan aiki na yau da kullun da ƙwararrun ma'aikata don gini, waɗanda ke da buƙatun fasaha.

M, launuka iri-iri-maimakon sautuka masu canzawa da ake samu a wasu bututun ruwa- suna ba daPP-R ruwa bututuwani bangare mai ban sha'awa da launi.(Masu amfani da yawa sau da yawa suna tunanin cewa farin shine mafi kyawun launi ga bututun PP-R, amma launi ba shine ma'auni don yin hukunci ba; ingancin bututun ruwa na PP-R ya bambanta da na PP-R, da kuma launi na ruwa. bututu ba shi da alaƙa da shi (akwai kuma wasu launuka waɗanda aka ƙara su da masterbatch mai launi) kowane launi ana iya yin shi muddin masterbatch ɗin launi yana nan, kuma ba zai ƙasƙantar da shi ba ko shafar ingancin PP. R's. don haka, ba shi da mahimmanci ko wane launi bututun ruwa ne.

Gabaɗaya, kawai za a iya amfani da albarkatun PP-R masu tsafta don ƙirƙirar fararen kaya.Misali, yayin da sauran samfuran launi da aka sarrafa tare da manyan batches masu launi suna haɗe da kayan da aka sake fa'ida, kayan sharar gida, da kayan kusurwa, launin samfuran da aka samar ta hanyar ƙara kayan da aka sake fa'ida, kayan sharar gida, da kayan kusurwa ba su da laushi kuma ba daidai ba.Launin samfurin ba zai yi tasiri da kayan da aka yi amfani da su ba, da dai sauransu. Ya kamata samfuran ciki da waje su kasance marasa aibi da lebur;ba a yarda da lahani kamar kumfa na iska, ɓacin rai mai haske, tsagi, da gurɓatawa.

Duk kayan mahimmanci don bututun ruwa na PP-R mai kyau sune PP-R.(ba tare da wani ƙari ba).Tsabtace a bayyanar, tare da santsi mai santsi da riko mai dadi.The kwaikwayo PP-R bututu ji supple.Gabaɗaya, ƙananan ƙwayoyin cuta sun fi saurin haɗawa da ƙazanta;polypropylene shine tushen farko na bututun PP-R.Bututu mara kyau suna wari da ban mamaki, yayin da bututu masu kyau ba sa.Mafi yawanci, an haɗa polyethylene maimakon polypropylene.

Yanayin walda na al'ada don bututun PP-R shine tsakanin 260 da 290 ° C.Za a fi tabbatar da ingancin walda a waɗannan yanayin zafi.Samfurin na iya shiga cikin sauƙin waldi kai yayin waldi idan sigogin walda sun kasance na al'ada.Bugu da ƙari, nodules ɗin haɗakar samfuran sun kusan ruwa, yana nuna cewa ba a ƙirƙira shi da ainihin kayan albarkatun PP-R ba.

Samfurin kuma ba a yi shi daga ainihin kayan PP-R ba idan tarin walda na nodules na iya yin sanyi da ƙarfi da sauri (yawanci cikin daƙiƙa 10).Wannan shi ne saboda PP-R yana da tasirin kiyaye zafi mai ƙarfi, wanda ke nufin cewa yawan sanyaya shi zai kasance a hankali.
Bincika don ganin ko an zana kayan aikin bututun kuma idan diamita na ciki na bututun ya karkata.Ba za a iya zana diamita na ciki na bututun PP-R mai kyau ba, kuma ba a iya lankwasa shi da sauƙi.