Polyethylene is a common lightweight thermoplastic. There are two basic types: low-density (LDPE), which is soft and flexible, and high-density (HDPE). It is a common packaging and material storage container, chemical drums and cans. Its non-porous surface makes it an ideal packaging material for adhesives, as most glues cannot adhere to polyethylene surfaces.
The low surface energy polyethylene is a smooth, non-porous plastic that most adhesives do not stick to easily.
However, ther...