1/2 inch pe 300 polyethylene sheet for mmercial kitchens 1/2 inch anti-uv pe 300 polyethylene sheet for Landfill 1/2 pe 300 polyethylene sheet st nz-HDPE sheets 4×8 PE 300 / HDPE sheets High-Density Polyethylene (HDPE) - a linear polymer, High-Density Polyethylene (HDPE) is prepared from ethylene by a catalytic process.