Pail Mould is one of the objects of chemical production. The material of the chemical barrel is high-density polyethylene, also called low-pressure polyethylene, that is, HDPE. This material is not easy to weld with a plastic welding gun. You can use an iron sheet to burn the plastic of the same material on 1653, or use high-pressure Polyethylene [LDPE] or EVA plastic is hot, and this...