Sika Sikaflex 252 Elastic Polyurethane Adhesive, Black, 300 ml

Sikaflex® 252 Key Advantages:

• Excellent Adhesion: Ideal for a wide variety of substrates (coated metals, aluminum, steel, GRP/fiberglass, ceramics, and plastics).
• Vibration-Damping Properties: Dampens noise and vibrations in moving joints.
• Gap-Filling Capability: Excellent for compensating for irregularities and wide gaps between surfaces.
• Paintable: Can be painted once the skin-formation process is complete for a perfect aesthetic finish.
• Electrical Insulator: Non-conductive formula.

Areas of Application and Use:

Sikaflex® 252 is widely used in OEM (original equipment manufacturing) and repair applications for:

• Vehicles and Motorhomes/Campers: Bonding of external panels, roofs, ribs, and structural profiles.
• Structural Framing and Industry: Fastening of composite panels, metal structures, and rigid plastic components.

Technical Specifications:

• Chemical Base: One-component polyurethane
• Curing Mechanism: Moisture-curing (reacts with atmospheric humidity)
• Skin-Formation Time: ~40 minutes (at 23 °C / 50% r.h.)
• Shore A Hardness: Approx. 50
• Elongation at Break: ~400%
• Tensile Strength: 3 MPa
• Service Temperature: From -40 °C to +90 °C (with peaks up to 150 °C for short exposures of 1 hour)
• Color: Black

Application Advice:

To achieve maximum performance, ensure that surfaces are clean, dry, and free from grease or dust. Application is recommended by forming a triangular bead using a manual, pneumatic, or electric piston gun. Press the components together within the skin-formation time (40 minutes).

Note: For professional use only. It is recommended to perform preliminary tests on materials prior to final application.