Umbhobho we-HDPE yimveliso yokutshintshwa kombhobho wentsimbi yemveli kunye nombhobho wamanzi okusela we-PVC. Kufuneka ithwale uxinzelelo oluthile. Ngokuqhelekileyo, i-PE resin enobunzima obukhulu be-molecular kunye neempawu ezintle zoomatshini kufuneka zikhethwe.
Ukutolikwa kwangaxeshanye kwimibhobho ye-HDPE, akufuneki ibe noqoqosho kuphela, kodwa kwakhona ibe nothotho lweenzuzo ezifana nojongano oluthembekileyo, ukuchasana nempembelelo, ukumelana nokuqhekeka, ukumelana nokuguga kunye nokuxhathisa ukubola.