Description
Dowsil 781 is a one-part silicone sealant, which has excellent adhesion to a wide range of non-porous surfaces, including: glass, aluminium, painted surfaces and composite boards.
Features:
- Suitable for glazing applications, weather sealing of sheet cladding, curtain walls, draught proofing and general internal sealing applications.
- 781 has excellent weatherability, with an application temperature range +5 to +40°C and joint movement capability +/– 20%.
- It is listed by the UK Water Regulations Advisory Scheme for use in contact with potable water once cured.
- It is fast curing and offers excellent resistance to ageing, shrinkage, cracking and discolouring.
- It is tack-free in one hour with a working time of 5-10 minutes.
Technical data:
- Colour – White
- Size – 310ml
- Brand – Dow Dowsil
Standards & Certifications:
- ISO 11600-F&G-20LM
- WRAS






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