Can be used for sealing, caulking and bonding. Forms a tough, flexible and waterproof seal that resists aging and weathering without hardening. Use it to weather-proof electrical components, seal or repair windows, door frames, vinyl tops and more. Designed to seal mechanical assemblies, making gaskets and weather-proofing electrical components. Use on metal, glass, wood, silicone resin, rubber, ceramics, concrete, painted surfaces and more. Tough and flexible. Bonding strength 700 psi. Non-sagging. OEM approved.