Silicone sponge Tube is manufactured by good silicone rubber with scientific formula, viaadvanced technology processing.It has good flexibillity, high temperature resistance, andgood stability, aging resistant, ozone resistant, insulation property, fuel oil resistance, lubes resistance,no smell and wear well and can be widely used for providing insulation protection for householdelectric appliance, industrial electric appliance.. ■ Technical Index: Style: open cell/close cellSurface:smooth skin ImpressionTear strength:55Kn/mPress strength;30MpaElongation:100%hardness:8-50 Shore ATemperature range:-50-220C continuously; -70℃ ~ +260℃ for intermittent usedensity:0.3-0.9g/cm3Flame resistance:94V-0Dielectric breakdown voltage:2.5-7KVDielectric constant:5.5 KHzTensile strength: 10-30psiVolume resistance:1.*1011 Ohm-mThermal conductivity:0.07-0.1 W/M-KThick tolerance: +0.5 / -0.3mm