Silicone sealant is a liquid form of adhesive, though it looks, feels and acts like a gel. It is formed with a different type of chemical makeup compared to other, more organic polymer-based adhesives. Unlike those other adhesives, silicone is resistant to chemicals, moisture and weathering. It also keeps elasticity and stability in both high- and low-temperature conditions.
Silicone sealants require curing, which means they must dry. The temperature to cure the silicone can be anywhere between 50t and 100 degrees Fahrenheit, and there needs to be between 5 and 95 percent humidity for the silicone to properly cure. It can take as little as 24 hours to cure, but a thick application of sealant can take longer, sometimes up to 48 hours.
Silicone sealants can emit a strong and long-lasting odor and can take a considerable time to be fully cured., Their benefit is that they can be used in glass assemblies. Pure silicone is not paintable, but it will stay flexible at a wide range of temperatures, is waterproof, bonds well and won’t support mildew growth.
Industrial silicone is best used for sealing and bonding applications. Silicone has formulations that include electrical grade, low-odor, paintable and high-temperature. Silicone is used in a variety of industries including plumbing, refrigeration, HVAC, commercial and residential.
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