Ucingo lwe-TXHHW lumele "i-XLPE (i-polyethylene edityaniswe ngokunqamlezileyo) Ukumelana nobushushu obuPhezulu obungaManzi."Intambo ye-XHHW luphawu lwesixhobo esithile sokugquma, umlinganiselo wobushushu, kunye nemeko yokusetyenziswa (efanelekile kwindawo emanzi) yocingo lombane kunye nentambo.