HDPE offers excellent impact resistance. lightweight. low moisture HENAN OKAYorption. and high tensile strength. These physical properties in addition to its ability to be easily machined. thermoformed. and welded have led to the wide use of HDPE on food processing. packaging. and nveying equipment. HDPE is also non-toxic and non-staining and is often chosen because of its FDA approval and food ntact suitability and its excellent machinability.