I-Polyethylene Enobuningi Obuphezulu: Izinzuzo Nezitshalo Izinto ze-Polyethylene Enobuningi Obuphezulu (HDPE) ziyipolima ehlukahlukene futhi esetshenziswa kabanzi eyaziwa ngamandla ayo aphelele, ukuqina, nokumelana namakhemikhali. Njengohlobo lwe-polyethylene, i-HDPE idist