GUIBAO 999 is a one-part, neutral-curing silicone structural sealant designed for high-performance applications. It is ideal for structural bonding and glazing on a wide range of materials, including glass, aluminum, terracotta, and other metal structures. This sealant forms an extremely tough, durable, and flexible elastomeric rubber, ensuring a watertight bond. It offers excellent weather resistance, high resistance to UV radiation, and maintains its performance in extreme temperatures from –50°C to +150°C.