Mainly used for sealing, shock absorption, isolation, anti-skid and other purposes. It have the function of pressure resistance, toughness good folding, easy deformation, easy compaction, suitable for low pressure, temperature is not high water, gas and other non-corrosive media pipeline. Rubber grommets are widely used in valves, pipelines, automobile, electronics, chemical industry, various mechanical equipment and other industries, and can play the role of gasket, seal, buffer and so on.