Automotive sealing strip suggests that it is in keeping with the car outside the state presented seal strips, the main materials are rubber and polyvinyl chloride resin, and its function is not only to automotive seals, but also play a cushion to absorb shock and to maintain the role of glass for the sealing strip is one without carving decorations.
As a preliminary material for sealing strips when to use more natural rubber, and later with the continuous development of technology of synthetic ethylene propylene rubber and nitrile rubber material is rapidly becoming the primary seal, and the nature of the material has a higher seal requirements: weather resistance, wear resistance, low water absorption, small residual deformation at low temperatures can also maintain good flexibility, with a non-polluting.
In the sealing process in the whole body has a large number of parts to be sealed, the sealing area of the widest vehicle body, up to different sealing state, a relatively high sealing difficult, so the body of the seal commonly used to achieve compression method, a bending method, complex law in three ways, in order to achieve the overall body of the seal.
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