High voltage insulator ITEM Standard High Voltage Insulator General Purpose High Voltage Insulator Common High Voltage Insulator CH-2260T CH-2260C CH-2260D CH-2260E Appearance White, Gray or dark-red, no obvious extraneous matter Density(g/cm3) 1.48±0.03 Hardness(Shore A) 60±5 60±5 60±05 60±5 Tensile Strength(MPa) 4.0min 4.0min 4.0min 4.0min Elongation at break(%) 260min 280min 280min 260min Tensile Set(%) 2.0 2.0 3.0 3.0 Tear Strength(KN/m) 15.0 14.0 13.0 13.0 Volume Resistivity 7*1014 min 5*1014 min 3*1014 min 1*1014 min Dielectric constant 3-4 3-4 3-4 3-4 Dielectric Loss Tangent 3*10-2 6*10-2 7*10-2 7*10-2 Dielectric Strength 22 20 18 17 Tracking Resistance& Erosion Resistance class TMA4.5,Depth of Erosion � 2.5mm Fire resistance class FV-0
