Akfix P635 Construction Polyurethane Sealant 10.4 oz

Akfix P635 PU Sealant is a one-component, low-modulus polyurethane sealant designed for outstanding adhesion to all common construction materials. It cures with atmospheric moisture, ensuring a durable and elastic bond. This construction sealant is perfect for various applications, from expansion joints to bonding ventilation ducts.

Features & Benefits

• Permanent Elasticity: Maintains flexibility after curing.
• Thixotropic Nature: Ensures no sagging, even on vertical surfaces.
• Clean Finish: No surface tackiness after curing; does not attract dirt.
• Stable: No shrinkage and enhanced storage stability.
• Easy Application: Can be applied with a handgun and tooled effortlessly.
• Paintable: Allows for a seamless finish with paint.
• Bubble-Free Curing: Ensures a smooth and consistent finish.
• High Movement Capability: Accommodates 25% movement.
• Certifications: Conforms to BS 6920 for metallic water soluble impurities, suitable for drinking water systems.
• Low VOC: Meets LEED EQc4.1 standards and French VOC requirements for class A+.
• CE Marked: Certified for EN 15651 for façade and pedestrian walkway applications.

Application Areas

• Expansion Joints: Perfect for various construction materials.
• Movement and Connection Joints: Ideal for floors in pedestrian and traffic areas.
• Indoor and Outdoor Use: Suitable for both environments.
• Prefabricated Construction Materials: Excellent for joints between prefabricated elements.
• PVC Window Jambs: Effective in installation and sealing.
• Ventilation Ducts and Gutters: Perfect for sealing and bonding.
• Pre-Cast Concrete Panels: Meets requirements for expansion joints.
• ISO 11600 F 25 LM: Compliant with international standards.

How to Use

• Surface Preparation: Ensure joint surfaces are clean, dry, and contaminant-free.
• Application: Apply sealant evenly, using masking tape if necessary, and remove tape while the sealant is still soft.
• Joint Dimensions: Maintain a width/depth ratio of 2:1.
• Use of Backer Rods: Facilitate adhesion using backer rods and bond breakers.
• Tooling: Tool the sealant within 5 minutes to spread it against joint surfaces for a professional finish.
• Temperature: Apply between +5°C and +40°C.

Specs

• Basis: Polyurethane
• Consistency: Thixotropic
• Curing Mechanism: Moisture curing
• Density: 1.20±0.03 g/ml
• Temperature Resistance: -40°C to +90°C
• Application Temperature: +5°C to +40°C