Luxbond 519B is a one-component room temperature curing neutral (alcohol-free) silicone rubber. This product is suitable sealing and bonding of polycarbonate, general plastics, glass, metal, ceramics and other materials, which can absorb moisture from the air at room temperature and cure to form soft rubber layer, and has excellent adaptability to high and low temperatures, which can be used for a long time between -50 - 200℃.