[Jiuzhi Plastics News] Plastic bumpers are made up of three parts: outer panel, cushioning material and beam. The outer plate and the cushioning material are made of plastic, and the beam is stamped into a U-shaped groove by a cold-rolled sheet having a thickness of about 1.5 mm; the outer plate and the cushioning material are attached to the beam, and the beam is coupled with the frame longitudinal beam, and can be attached at any time. Remove it. Plastics used in such plastic bumpers are generally made of two types of polyester and polypropylene materials by injection molding. The benefits of using plastic bumpers are numerous. For car companies, the most direct effect is to save manufacturing costs, and plastic bumpers can also protect consumers' interests to a certain extent. Toyota Motor Corporation recently developed a super olefin polymer with Mitsubishi Oil Chemical, Sumitomo Chemical Industries, Ube Industries, and Dongyan Chemical Co., Ltd. as the preferred plastic material for bumpers. 
Super olefin polymer becomes the material of choice for plastic bumpers
Super olefin polymer becomes the material of choice for plastic bumpers
According to analysis, most car bumpers are made of plastic materials, and there are three main reasons for this: plastic bumpers have elasticity, plastic materials are more beneficial to protect pedestrians, lightweight, good elasticity, corrosion resistance, Resistance to performance and low manufacturing costs. In the case of rubber-modified PP, the elastomer in the rubber phase has a dispersed structure, whereas the new resin has a parallel structure with a resin having a thickness of 1000 nm in the elastic phase.
Since this crystal structure strengthens the elastomer and makes the new resin have high rigidity, when the large integrated automobile bumper is manufactured, the new resin moldability (flowability) is about twice that of the current resin, and the surface hardness is also the current resin. It is twice as strong, 1 to 5 times rigid, and 15% lighter. Because super olefin polymers have many advantages, they will be the material of choice for plastic bumpers.
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