Cable Material-PVC Series Cable Material(DDH-70)

Cable Material-PVC Series Cable Material(DDH-70) The model number DDH-70 of cable material is also called Low Smoke Low Halgoen Flame Retardant Cable Sheath Material,used as Protective layers for low smoke low halogen flame retardant wires and cables.Specification of this type cable materials are as follows:NumberItemUnitDDH-70 1 Tensile Strength Mpa ≥15.0 2 Tensile elongation at break % ≥180 3 Heat Distortion % ≤50 4 Impact Brittleness temperature °C -20 5 200 °C Heat Stabilizing Time min ≥60 6 Volume Resistivity at 20 °C Ω.m 1.0*109 7 Volume Resistivity at Working temperature Test Temperature °C - Volume Resistivity Ω.m - 8 Dielectric Strength Mv/m 18 Ageing Property Test Temperature °C 100±2 Test Time % 168 Tensile Strength After Ageing Mpa 15.0 Max Variation Of Tensile Strength % ±20 Elongation At Break After Ageing % 180 Max Vatiation Of Elongation At Break % ±20 Heat Ageing Mass Loss Test Tempetature °C 100±2 Test Time h 168 Mass Loss g/m2 23 9 Oxygen Index % 30 10 HCL Release Value Mg/g 100 11 Smoke Density No Smoke 300 12 Mercury ppm - 13 Lead ppm - 14 Cadmium ppm - 15 Chromic ppm - 16 Polybrominated Diphenyl ppm - 17 Polybrominated Diphenyl Ether ppm -