The rubber sealing ring of the Corrugated Metal Pipe Culvert should be made of high-quality natural synthetic rubber and EPDM rubber. It should have good rebound and tensile properties, and the rubber ring should be fully designed to match the waveform of the pipe. The height and thickness of the sealing lip, and the tightness of the socket, it is very important to have a properly structured rubber sealing ring for a pipe with good sealing, rather than a rubber ring of any structure.
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