custom pattern NSTRUCTION hdpe sheetsCONSTRUCTION hdpe plastic sheets Custom Logo NSTRUCTION hdpe sheets black-HDPE sheets 4×8 3/4" Black HDPE Sheet Cut-to-Size 51446104-CTS HDPE (High Density Polyethylene) has a ntinuous use temperature range of -50°F (-46°C) to 180°F (82°C).