Stretch film is also called elastic film. It can take advantage of the self-adhesive elasticity of the film itself to stretch and wrap the product. The product can be tightly wrapped by the viscoelasticity of the film surface and the tension used during use to achieve the purpose of protecting the product. .

Wrapping packaging film can be used for transportation packaging, such as winding packaging for large pallets, containers, and boxes, as well as short-distance transportation and sales packaging, such as packaging for daily necessities, stainless steel tubes, plastic tubes, and profiles. Decorative panels, rolled floors, rolled carpets, winding packaging, etc.

Cling film is a kind of stretch film. At present, there are three main types of plastic wrap on the market. The first is polyethylene, which is mainly used for food packaging, such as fruits and vegetables, including semi-finished products purchased from supermarkets. The second type is polyvinyl chloride, which can also be used for food packaging; the third type is polyvinylidene chloride, which is mainly used for the packaging of some cooked foods.