SA-2100 by System Three is a unique two-part polyurethane sealant-adhesive. There is nothing else available like it.
It cures overnight in any thickness to a very tough flexible rubber. Moisture-cured products take several days to cure and can take weeks to “through-cure” in thicker sections or areas away from air contact.
SA-2100 tubes and cartridges may be recapped and used months later without product degradation. Waste is now a thing of the past.
Where moisture-cured urethanes turn various shades of brown after sufficient UV exposure, SA-2100 is unaffected by weathering and UV degradation. The product is bright white, and it will stay that way.
Our tests show that SA-2100 can be painted with most paints without surface preparation. This makes it very different than silicone adhesives, which are impossible to paint.
SA-2100 is a tenacious bonder to many substrates including difficult to bond plastics. While we recommend that it be applied to a dry substrate, it will cure in the rain once applied.
SA-2100 is a revolutionary product for the marine industry. Its curing properties, UV resistance, and flexibility truly set it apart from the rest. Once you try it, you'll never go back!