CSL339 is a high performance, low modulus, rapid curing one-part moisture curing room-temperature vulcanizing (RTV) silicone sealant.
CSL339 is specifically formulated as a glazing sealant and is compatible with various window components including sash, IG, and setting blocks.
CSL339 has excellent adhesion to glass, aluminum, porcelain, ceramic, wood, stainless steel, most plastics and many other substrates including concrete.
CSL339 has excellent resistance to all weathering conditions including ultra-violet radiation, ozone, moisture, freeze-thaw conditions, and normal airborne chemicals.
CSL339 temperature range is -60°C to 200°C (-76°F to 392°F).
CSL339 is a backbedding sealant specifically formulated for a wide range of fenestration applications including window and door fabrication, retrofit, new construction and remedial window installations, and may also be used for perimeter sealing.
Complementary formulations including different extrusion rates are also available.