... should be smooth, bubble-free, Code No.: GWT6003The PE rods commonly known as HDPE stick, high-density polyethylene rods, polyethylene rods, PE polyethylene rod, ... -toxic plastic rod, white appearance, the surface should be smooth, bubble-free, wax-like feel, low water absorption, ... A low dielectric loss, can be used for the high-frequency insulation.5. Environmental Performance: PE is inert polymer ...