nsulating gasketMade of metal or non metal material with serious process. As the sealing elements they are widely used in pipeline,machines as connection piece.      Item      Material      Dielectric Strength      (volts/mil)      Water Absorption      (%)      Temp      (℃)      Stress Strength      (PSI)      Tensile Strength      (PSI)      Flange gasket      Neoprene faced phenolic 5001.6792500025000phenol 5001.61072500025000Epoxy glass 5000.1177500045000 Mylar40000.8149  Polyethylene4000.0182  Epoxy glass4500.1138