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791 DOW CORNING SILICONE SEALANT LOW MODULUS
Dow Corning® 791 Weatherproofing Silicone Sealant
A low modulus one-part silicone sealant that gives excellent unprimed adhesion to both porous and non-porous construction substrates.
For weathersealing of curtain walling, building facades and expansion joints. Also suitable for use as a frame sealant.
- Conforms to ISO 11600-25LM and also meets ISO specification 9047 class 50%
- Excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes
- Joint movement capability +/- 50%
- 20-30 minutes working time
- Fast cure – tack free in 2 hours
- Application Temperature Range -20 to +50°C