... 3.Material:EPDM,NR,NBR,NEOPRENE 4.Flexible rubber joint Flexible rubber joint: 1. This product could primarily reduce the vibration ... system, completely solve the different piping problems as displace of joint, axial flex and etc.2. According to different material ... be made as acid proof, corrosion proof to suit different medium and environments.3. The materials are good sealing, light weighting ...