PEX yeeb nkab, tseem hu ua cross-linked polyethylene yeeb nkab, tuaj yeem thauj cov dej txias, dej kub thiab dej haus. Muaj dabtsi yog khoov thiab nco, tsis kub-melt kev twb kev txuas. Kev zam lub teeb tuaj yeem ua rau qeeb ntawm cov khoom yas thiab ua kom lawv lub neej ntev. Nws yog feem ntau siv nyob rau hauv geothermal cua sov systems. Rau kev siv sab nraum zoov, yuav tsum muaj lub ntsej muag tiv thaiv lub teeb, thiab siv lub raj txhuas-yas sib xyaw ua ke. Nyob rau sab qaum teb, cov kav dej sab nraud yuav tsum tau them nrog thermal rwb thaiv tsev txheej los tiv thaiv qhov kub ntawm qhov sib txawv ntawm qhov tawg.
