yellow food safe high density plastic board food safe high density plastic sheet 48 x 96 whosesaler 1/8" White HDPE 48" x 96". HDPE (High Density Polyethylene) has a ntinuous use temperature range of -50°F (-46°C) to 180°F (82°C). It is a standard material and offers high impact strength, high chemical resistance, and very low water HENAN OKAYorption.