HDPE cov kav dej
Cov yeeb nkab zoo yuav tsum tsis yog tsuas yog muaj kev lag luam zoo xwb, tab sis kuj tseem muaj cov txiaj ntsig zoo xws li kev ruaj khov thiab txhim khu kev qha, cov khoom siv cuam tshuam, tawg tsis kam, kev laus tsis kam, corrosion tsis kam, thiab lwm yam. ib: Series zoo:
(1) Txhim khu kev sib txuas: Cov yeeb nkab polyethylene txuas nrog electrothermal fusion, lub zog ntawm kev sib koom ua ke yog siab dua li ntawm cov yeeb nkab lub cev, thiab kev sib txuas flange yog siv los ntawm cov yeeb nkab polyethylene thiab lwm cov kav dej, uas yog yooj yim thiab ceev.
(2) Kev cuam tshuam zoo ntawm qhov kub thiab txias: qhov kub thiab txias embrittlement kub ntawm polyethylene yog qhov tsawg heev, thiab nws tuaj yeem siv tau zoo nyob rau hauv qhov kub thiab txias ntawm -60-60 degree. Thaum lub sij hawm tsim kho nyob rau hauv lub caij ntuj no, vim muaj kev cuam tshuam zoo ntawm cov khoom, cov yeeb nkab yuav tsis nkig.
(3) Kev tiv thaiv zoo rau kev ntxhov siab tawg: HDPE muaj qhov tsis tshua muaj siab, siab shear lub zog thiab zoo heev los tiv thaiv kev taug qab muaj peev xwm, thiab nws cov kev tiv thaiv rau ib puag ncig kev ntxhov siab tawg kuj tseem zoo heev.
(4) Cov tshuaj tiv thaiv corrosion zoo: HDPE kav dej tiv taus corrosion los ntawm ntau yam tshuaj lom neeg, thiab cov tshuaj muaj nyob hauv cov av yuav tsis ua rau muaj kev puas tsuaj rau cov kav dej. Polyethylene yog ib qho hluav taws xob insulator, yog li nws tsis rot, xeb lossis electrochemically corrode; nws kuj tsis txhawb algal, kab mob los yog fungal loj hlob.