Raws li ib qho ntawm cov khoom siv polymer siv dav tshaj plaws hauv ntiaj teb cov raj xa hluav taws xob engineering, cov yeeb nkab polyethylene tseem yog cov khoom lag luam nrov vim nws txoj kev ua tau zoo thiab kev lag luam zoo. Cov raj xa dej no, feem ntau ua los ntawm siab - ntom lossis nruab nrab- polyethylene ntom ntom, ua kom pom qhov zoo tsis tuaj yeem hloov pauv hauv kev thauj mus los, kev tsim kho hauv nroog, thiab cov ntawv thov kev lag luam.
Los ntawm kev pom kev, cov yeeb nkab polyethylene muaj qhov muaj zog tiv thaiv corrosion, nrog rau ntev - lub sij hawm yaig los ntawm ntau yam tshuaj lom neeg, daws cov teeb meem ntawm cov kav hlau ib txwm ua rau xeb thiab scaling. Nws yooj yim thiab cuam tshuam tsis kam yog qhov tshwj xeeb tshaj yog, tswj cov qauv kev ruaj ntseg nyob rau hauv qhov kub ntawm -20℃txog 40 degree, ua rau nws tshwj xeeb tshaj yog haum rau tso rau hauv av qeeg thiab thaj chaw permafrost. Piv nrog rau cov kav hlau, cov kav dej polyethylene yog li 80% sib dua, tsis tsuas yog txo cov nqi tsheb thauj mus los xwb tab sis kuj ua kom yooj yim rau cov txheej txheem installation. Cov txheej txheem vuam ua rau nws lub zog sib koom ua ke txawm tias ntau tshaj li ntawm cov yeeb nkab lub cev, txo qhov kev pheej hmoo ntawm kev xau.
Raws li cov xwm txheej ntawm daim ntawv thov, cov kav dej polyethylene npog thaj chaw tseem ceeb xws li cov kav dej hauv nroog, kev xa roj, kev ua liaj ua teb, thiab kev thauj mus los ntawm cov dej hauv nroog. High-cov kav dej polyethylene (HDPE) ntom ntom, nrog lawv 15-50 xyoo tsim lub neej, tau dhau los ua cov kev daws teeb meem zoo tshaj plaws rau kev tsim kho hauv nroog; thaum nruab nrab- ntom polyethylene (MDPE) cov kav dej, vim lawv qhov kev hloov pauv tau zoo, tau siv dav hauv cov dej tsis muaj zog. Nyob rau hauv xyoo tas los no, nrog nce thoob ntiaj teb kev xav tau rau kev tswj hwm kev ua haujlwm ntawm dej, hloov cov kav dej polyethylene nrog cov kab mob tua kab mob thiab cov kev soj ntsuam ntse tau maj mam nkag mus rau hauv kev lag luam high-end.
Los ntawm kev pom kev lag luam thoob ntiaj teb, Tuam Tshoj, raws li lub ntiaj teb cov neeg tsim khoom loj tshaj plaws ntawm cov kav dej polyethylene, tuav ib qho kev lag luam tseem ceeb hauv Tebchaws Europe, Amelikas, Middle East, thiab Southeast Asia ua tsaug rau nws cov mature extrusion molding technology thiab loj - nplai ntau lawm. Cov khoom ua raws li cov qauv thoob ntiaj teb xws li ISO 4427 thiab ASTM D3350, thiab tau dhau SGS daim ntawv pov thawj thiab cov cim ntsuas siab, tau kov yeej cov kev cuam tshuam kev lag luam hla - ciam teb kev lag luam. Nyob rau hauv lub neej yav tom ntej, nrog rau qhov nrov ntawm lub tsev ntsuab lub tswv yim thiab nthuav dav ntawm daim ntawv thov ntawm ib puag ncig tus phooj ywg recycled polyethylene composite cov ntaub ntawv, cov khoom siv no yuav txuas ntxiv mus rau kev ua tau zoo dua thiab ua haujlwm ntau dua.
