The difference between plastic cans is mainly in can bodies. Can bodies are divided into two categories according to their composition:
1. laminated composite tank. It is a composite material made of several materials, such as plastic film, aluminum foil, cardboard, etc., and then extruded to form a can body. The body of the can body is mostly a rounded square. The bottom cover is mostly plastic, and it is connected to the body by high frequency melt sealing.
2 .multi-layer material winding cans. It is to make a variety of materials into a cylinder by winding, and then cut into can bodies according to requirements, and then separately install the bottom of the tank and the lid of the tank.