Microtubules of high density polyethylene kunye high density polyethylene (HDPE) njengeyona nto iphambili ekrwada, kusetyenziswa inkqubo yeplastiki extrusion ephucukileyo eyenziweyo ifakwe kudonga lwangaphakathi lesilicon umbhobho oyintlanganisela, udonga lombhobho ngumaleko oqinileyo wokuthambisa, kunye nokuzithambisa. , ukunciphisa ngokufanelekileyo ikhebula kumbhobho ukutsalwa ngokuphindaphindiweyo phakathi kwentambo kunye nokuchasana kwe-friction yombhobho. Ukusetyenziswa kweemveliso zemibhobho encinci, edityaniswe nentambo yokukhanya encinci kunye nobuchwepheshe obuvuthela igesi, ukuze ulwakhiwo lwenethiwekhi yombhobho wentambo yonxibelelwano lube bhetyebhetye, lunoqoqosho kwaye lusebenze kakuhle, kunye nokusombulula ingxaki yomngxuma wemibhobho yemithombo yoxinzelelo kwaye kwakhona.