The difference between plastic cans mainly lies in the can body, which is mainly divided into two categories according to its composition:
①Laminated composite material tank. It is made of several materials, such as plastic film, aluminum foil, cardboard, etc., into composite materials, and then extruded to form a can body. The can body is mostly square with rounded corners. The bottom cover is mostly plastic, which is connected with the tank body by high-frequency sealing.
②Multilayer material winding tank. It is a cylinder made of various materials by winding, and then cut into a can body according to the requirements, and then the can bottom and can lid are respectively attached.