Ka nts'etsopele e tsoelang pele ea libaka tsa oli le khase tse lebopong la leoatle, liphaephe tsa ho tsamaisa bongata ba oli le khase kantle ho naha lia eketseha.Hajoale, liphaephe tse tsamaeang ka tlas'a metsi li sebelisoa haholo 3LPE le FBE.3LPE mocheso oa tšebeliso ea nako e telele hangata ha o fete 70℃, nako e khutšoanyane ho fihlela ho 80℃.Ha e le ho tsamaisoa ha oli e tala, mocheso o feta 80℃, Sebelisa sebopeho sa ho roala sa 3LPE ho hlakile hore ha se fihlelle litlhoko tsa tekheniki.Le hoja mocheso oa nako e telele oa mocheso oa FBE o ka fihla ho 115℃, ho fihlela litlhoko tse kaholimo tsa mocheso oa moralo, empa FBE ea ho roala e brittle, ho se mamelle tšenyo ea mochini ho lipalangoang le ho beha lipeipi tsa kantle ho naha, ts'enyo e thibelang kutu e mpe haholo, Hajoale liphaephe tsa maoatle ka kakaretso ha li buelle tšebeliso ea kutu ka mokhoa oa FBE e le 'ngoe.

Ho sebetsana ka katleho le maemo a lipalangoang mathateng a mocheso o phahameng oa liphaephe tse ka tlas'a leoatle, linaha tsa kantle li atlehile ho etsa lipeipi tsa 3LPP ka katleho, joalo ka liphaephe tsa metsi a tebileng a Gulf of Mexico le liphaephe tsa oli le khase tsa UK North Sea, joalo-joalo, li sebelisoa 3LPP. sebopeho, empa koae ea 3LPP e sebelisoa lipeiping tse ka tlas'a leoatle naheng ha ho na mohlala.

Polypropylene e na le thepa e ntle ea mochini, tlhahiso ea eona, ho tsitsisa, matla a khatello, ho thatafala, elasticity le ho roala ho hanyetsa ho feta tekano e phahameng le polyethylene (HDPE) e phahameng, 'me polypropylene e monya metsi a tlase haholo, metsi 24h Ho kenngoa ha metsi ke 0.01% feela, e tlase haholo ho feta HDPE.Polypropylene e hanyetsanang le botsitso ba lik'hemik'hale, ho kenya motlakase, le ho fokotseha ho tlase ho feta polyethylene.Mabapi le ho hanyetsa mocheso, tšebeliso ea nako e telele ea polyethylene e fetotsoeng ka mocheso oa -30 ~ 110℃.3LPP e ntlafalitsoe motheong oa 3LPE e koahelang ts'ebetso e ntle ea anti-corrosion coating.3LPP 3LPE molao-motheo le sebopeho se tšoanang le se amohetsoeng ka har'a motsoako oa tšepe o ka tlaase o kopantsoeng le epoxy (FBE), ho eketsa ho khomarela tšepe, bohareng ba polypropylene copolymer adhesive (PPA) lera le ka ntle la polypropylene (PP) tlamahano e matla, ka bobeli ho hanyetsa ho matla ho senya bokhoni ba mochini, le ho hanyetsa hantle ts'ebetsong ea ho hlobolisa cathodic.3LPP e fetotsoe ka sebopeho sa ho roala, ts'ebeliso ea mocheso o kaholimo ho 110℃, ho hanyetsa ha eona ho matla le ho sebetsa ha mocheso o phahameng ho hapa menyetla ea 'maraka e pharaletseng, mocheso o phahameng oa mocheso ha o etse likhaello tse ling, ho finyella ka mocheso o phahameng le ho ikemisetsa ho sebelisa metsi a tebileng, e ntse e tsoela pele ho thibela ho bola. machaba.