300ml Sika Sikaflex 221 WHITE Polyurethane Sealer

Sikaflex 221 is a high-quality multi-purpose 1-component polyurethane adhesive / sealant that cures on exposure to atmospheric humidity. It is suitable for internal sealing and simple bonding applications.

•Bonds well to a wide variety of substrates
•Resistant to ageing
•Can be painted

Available in black or white

• Product Name: Sika Sikaflex®-221 White Polyurethane Sealer
• Volume: 300ml cartridge
• Type: One-component polyurethane adhesive and sealant
• Color: White
• Applications: Suitable for general sealing and simple bonding tasks in automotive finishing applications; adheres well to materials such as metal, plastics, wood, ceramics, and painted surfaces (preliminary tests recommended on plastics)
• Curing Method: Moisture-curing – reacts with atmospheric humidity
• Paintability: Can be painted after curing
• Performance Properties: High ageing resistance, permanently elastic, good mechanical and weathering resistance
• Temperature Resistance (cured): Typically from -40°C to +90°C (briefly up to 120°C)
• Storage Conditions: Store in a cool, dry place below 25°C; protect from direct sunlight and freezing
• Environmental / Safety Info: Contains isocyanates – use in a well-ventilated area; refer to product SDS for safe handling and disposal
• Industry Use: Ideal for automotive bodywork sealing and bonding, including overlap joints, seams, and panel bonding