White Dow Corning 781 is one part, silicone sealant, which has excellent adhesion to a wide range of non-porous surfaces including glass, aluminium, painted surfaces and composite boards. It is fast curing and offers excellent resistance to ageing, shrinkage, cracking and discolouring.
Suitable for glazing applications, weather-sealing of sheet cladding, curtain walls, draught-proofing and general internal sealing applications.
High modulus – acetoxy cure type
Fast cure – tack free in one hour
Working time of 5-10 minutes
Listed by the UK Water Regulations Advisory Scheme (WRAS) for use in contact with potable water once cured
Conforms to ISO 11600-F&G-20LM
Application Temperature Range +5 to +40°C
Joint movement capability +/– 20%