Dowsil 781 Black 310C

General description Dowsil 781 is a one-part, fast-curing silicone sealant designed for various sealing applications. It adheres strongly to non-porous surfaces such as glass, aluminum, painted surfaces, and composite boards. This sealant offers excellent resistance to aging, shrinkage, cracking, and discoloration, ensuring long-lasting performance. It is suitable for glazing, weather sealing of sheet cladding, curtain walls, draught proofing, and internal sealing. Technical specifications Type: One-part silicone sealant Color: Black Application temperature: +5°C to +40°C Joint movement capability: ±20% Tack-free time: 1 hour Working time: 5-10 minutes Skin over time: 14 minutes WRAS approved for potable water contact once cured Conforms to ISO 11600-F&G-20LM Installation Apply to clean, dry surfaces within the recommended temperature range. Ensure proper joint preparation for optimal adhesion. Allow 1 hour for the sealant to become tack-free. Usage Use for glazing, weather sealing,