Sikaflex 11FC Purform Sealant Adhesive 600ml Concrete Grey

Sikaflex 11FC Purform is a 1-component, moisture-curing polyurethane sealant and adhesive that delivers exceptional adhesion and elasticity for construction and industrial applications. Its Purform technology ensures very low VOC content and improved performance, making it a reliable choice for demanding sealing and bonding tasks.

Advantages

Excellent adhesion to most common building materials without primer, high movement capability of ±25%, and good UV resistance. Paintable after curing (testing recommended). Very low monomer content for safer handling. Moisture-curing allows use in damp conditions.

Suitable for

• Sealing expansion and connection joints in concrete, masonry, and metal
• Bonding panels, trims, and insulation materials
• Interior and exterior applications subject to dynamic movement
• Industrial assembly and maintenance where elastic bonding is required

Key specifications

• Volume: 600 ml foil pack
• Colour: Concrete Grey
• Curing mechanism: Moisture-curing
• Skinning time: approx. 60 minutes (23°C, 50% r.h.)
• Curing rate: approx. 3 mm / 24 hours
• Shore A hardness: approx. 35 after 28 days
• Tensile strength: approx. 1.5 N/mm²
• Elongation at break: >600%
• Movement capability: ±25%
• Service temperature: -40°C to +70°C
• Application temperature: +5°C to +40°C
• Density: approx. 1.35 kg/L

Recommendations

For best results, ensure surfaces are clean, dry, and free from grease. Use a suitable primer for porous substrates if required. Apply with a standard sealant gun and tool within the skinning time. Store in a cool, dry place and use within shelf life.