... ,etc 4.1kg/box Hengda LED Kafuter-5216 Condcutive Paste&Silicone Grease&High Thermal Paste (for High-Power LED Street Lamps,Mine Lamps,Bulbs ... of semi-conductors Apply in bonding and sealing in LED bulbs, high-power LED street lights, mine lights, and other lights or lamps ... ,8h)≤2.0 Volatility(%.200°C,8h)≤2.0 Breakdown Voltage Strength(kV/mm)≥8 Thermal Conductivity(w/m.k) ≥1 ...