PP (polypropylene), polypropylene, is a light thermoplastic synthetic resin with excellent performance, with chemical resistance, heat resistance, electrical insulation, high strength mechanical properties and good abrasion resistance processing properties. However, most of what we see on the market

The majority of laminate films are made from plastic, but can also be made from paper, metal foil (usually aluminium) or fabric. In co-extruded films, all layers are extruded together at the same time, so there are no other non-plastic materials such as aluminium foil or paper.Coextruded films can b

The extruder drive system usually consists of an electric motor, a reduction gearbox and bearings. During the extrusion process, the screw speed must be stable and not vary with the screw load in order to maintain a uniform quality of the resulting product. However, in different situations the screw

The common problems of film coating machine are.Uneven film thickness, pitting on the surface of the film, round pits, small bubbles on the surface of the film, unstable film, broken film, "orange peel" film, uneven film gloss and other phenomena.So how to solve these problems? Nanjing Sumino Seiko

Easy-open films are mainly used in the packaging of after-dinner snacks and other related leisure foods, and are a functional packaging material that has been developed in response to the demand for ease of use. According to traditional thinking, the requirement for packaging is to be as strong as p