... conductivity 1.6 3.for LED lamps,bulbs,lights,etc 4.1kg/box Hengda LED Kafuter- ... electrical insulation.Long working temperature (-50°c ~ 200°c)Great stability and flowability, easy to useNo ... LED bulbs, high-power LED street lights, mine lights, and other lights or lamps which requires high thermal conductivityProperties ... 2.9~3.1 Freeness(%.200°C,8h)≤2.0 Volatility(%.200°C,8h)≤2.0 Breakdown Voltage ...