... .2 refractive index) and electrical insulation.Long working temperature (-50°c ~ +200°c)Higher thixotropic, better elevation coating, and excellent stable properties ... ~300 Proportion(g/cm3) 2.0~2.3 Freeness(%.200°c,8h)≤2.0 Volatility(%.200°c,8h)≤2.0 Breakdown Voltage Strength (kV/mm ... and dry place, the shelf life is 18 months (≤25°c) Kafuter-5211H Thermal Conductive Silicon Rubber Gel&Grease for LED ...