Akfix AC607 Fire Stop Intumescent Acrylic Sealant 10.1 fl oz

Akfix AC607 Fire Stop Intumescent Acrylic Sealant is a superior fire-rated acrylic sealant designed to provide robust sealing for joints, ensuring safety by preventing the passage of flammable gases and toxic smoke. This single-component, water-based foam sealant is perfect for compartment walls and floors in various construction applications.

Features & Benefits

• Exceptional Fire Resistance: Provides over 4 hours of fire resistance under specific conditions without needing backfilling materials.
• M1 Fire Rating: Superior fire resistance based on NF P 92-501 radiation testing.
• Strong Adhesion: Does not require priming and adheres to most construction materials.
• User-Friendly: No-sag formula makes it easy to apply.
• Flexible: Remains flexible after curing, accommodating joint movement.
• Paintable: Can be painted over to match surrounding materials.
• Non-Slump: Ensures stability and reliability in vertical applications.

Application Areas

• Fire-Resistant Joints: Ideal for sealing joints and seams where fire resistance is crucial.
• Construction: Suitable for use in walls, floors, and other structural elements requiring fire-rated seals.

How to Use

• Surface Preparation: To prepare porous surfaces, mix one part acrylic sealant with 4-5 parts water and make sure that surfaces are clean, dry, and free from dust, grease, and rust.
• Application: Apply the sealant with a suitable tool, ensuring a minimum joint width of 0.2 inches and a maximum of 1 inch, with a recommended depth/width ratio of 1:2.
• Smoothing: Immediately after application, smooth the sealant with a wet finger or tool. Wet a cloth to remove any excess.
• Drying Time: Once the sealant is fully cured, it can be removed mechanically by letting it dry for at least two hours.

Specs

• Basis: Acrylic Dispersion
• Consistency: Smooth paste
• pH: 7.5-9
  
• Tack-Free Time: 15-30 minutes (23°C and 50% R.H) (ASTM C 679-03)
• Curing Rate: Minimum 2 mm/day (23°C and 50% R.H)
  
• Tensile Strength: ≥ 0.4 N/mm² (ASTM D 412)
• Application Temperature: +5°C to +40°C