3M™ Clear Super Silicone Seal is a paste-like, one-component clear material that cures to a tough, rubbery solid when exposed to moisture in the air. This silicone seal adheres to clean metal, glass, wood, ceramic, natural and synthetic fiber, painted surfaces and many plastics.
3M™ Clear Super Silicone Seal is excellent for general purpose bonding and sealing, as well as formed-in-place gasketing applications. It will adhere to most clean, bare, or painted metal surfaces, glass, non-oily wood, abraded rubber, and many plastics. Our silicone seal exhibits excellent resistance to weathering, vibration, moisture, ozone and extreme temperatures. For applications requiring exceptional adhesion, select our Clear Super Silicone Seal as opposed to a general purpose adhesive. The normal vibration that a car goes through on a bumpy road can take a toll on lesser adhesives. Plus, the temperature extremes of hot summer days or cold winter weather can stress adhesives. Exposure to rain, snow and sleet also tests the bonding strength of an adhesive. 3M™ Clear Super Silicone Seal is formulated to hold up when exposed to these conditions. Super Silicones cure from the outside in. At conditions of 75°F and 50% RH, they form a tack free skin within 20 minutes. Finish tooling before the skin begins forming. Cure time is affected by humidity, degree of confinement, and thickness of the adhesive/sealant bead. Lower humidity and/or temperature will extend the cure time. Higher humidity and/or temperature will reduce the cure time. In applications where the adhesive/sealant is confined during cure, the time required for proper cure is generally lengthened. Typical Applications include: Sealing automotive trim, sealing drip rails, sealing taillight and assemblies, filleting and caulking joints to provide a water and dust barrier, sealing vinyl roof top fabrics.