1, touch: touch the texture of the product, whether the surface is smooth and elastic. Hand pull, hand PE stretch film, one meter can pull 2.5 meters, machine PE stretch film one meter can pull three meters.
2, smell: there is no smell, PE stretch film is non-toxic and tasteless, green environmental protection is the qualified stretch film.
3, look at the appearance: see whether the end face is flat, the material is new material, no impurities, good luster, the thickness of the film is uniform.
PE stretch film is easy to use, can be manually operated, can also be mechanized machine operation, is a new economical packaging material, widely used in foreign trade export packing boxes, food and beverage packaging, carpet, ceramic packaging, household appliances transportation packaging and other building materials, steel, profiles, wire, aluminum alloy profiles and other products long-distance transportation.