Dowsil 781 Multi-Use Acetoxy Silicone Sealant - White, 310ml Cartridge

Description

• Dow Corning 781 is a high-quality, one-part silicone sealant designed for a wide range of sealing applications. It offers excellent adhesion to non-porous surfaces such as glass, aluminum, painted surfaces, and composite boards. The sealant is fast curing, skinning over in about 14 minutes, and becomes tack-free within one hour. It provides strong resistance to aging, shrinkage, cracking, and discoloration, ensuring long-lasting performance. Suitable for both internal and external use, it is ideal for glazing, weather sealing of sheet cladding, curtain walls, draught proofing, and general sealing tasks. Once cured, it is approved for contact with potable water, conforming to relevant standards.

Specifications

• Color: White
• Volume: 310ml
• Type: Acetoxy silicone sealant
• Application temperature range: +5°C to +40°C
• Joint movement capability: ±20%
• Conforms to ISO 11600-F & G-20LM
• Weight: Approximately 1.0kg per unit

Compatibility and Accessories

• Suitable for use on glass, aluminum, painted surfaces, and composite boards
• Compatible with various sealing and glazing applications

Installation

• Apply to clean, dry surfaces within the recommended temperature range
• Ensure proper joint preparation for optimal adhesion
• Skin forms in approximately 14 minutes; tack-free in about one hour

Usage

• Use for glazing, weather sealing, curtain walls, draught proofing, and general internal sealing
• Apply with a suitable caulking gun
• Allow sufficient curing time before exposure to water or stress

Other Information

• Listed by the UK Water Regulations Advisory Scheme (WRAS) for use in contact with potable water once cured