Sikaflex 221 White - Moisture Cure Polyurethane Adhesive, 300ml

Sikaflex 221 Moisture Cure Polyurethane Sealant - White: The Industrial Adhesive and Sealant Solution

Simplify bonding and sealing tasks across manufacturing, assembly, and marine projects with Sikaflex 221 White. This premium, one-component polyurethane adhesive and sealant boasts exceptional strength, flexibility, and resistance to the elements, making it an invaluable asset for your industrial toolbox.

Key Features and Benefits:

• Versatile Adhesion: Bonds to a vast array of substrates including metals, plastics, wood, concrete, and more.
• High-Performance Sealing: Delivers watertight, airtight seals with excellent elasticity to handle movement and vibration.
• Tough and Durable: Resists abrasion, weathering, UV radiation, and saltwater exposure for both internal and external applications.
• Ease of Use: Non-sag formula for controlled application, plus the ability to be sanded and overpainted for a professional finish.

Typical Applications:

• Structural bonding in manufacturing and assembly lines
• Sealing expansion joints and floor seams
• Marine deck caulking and sealing
• Automotive and vehicle component bonding
• HVAC ductwork sealing

Technical Specifications:

• Chemical Base: 1-C polyurethane
• Color: White
• Density: Approx. 10.6 lbs/gallon
• Shore A Hardness: Approx. 40 (after 28 days)
• Elongation at Break: Approx. 600%
• Tensile Strength: Approx. 260 psi
• Movement Accommodation: +/- 12.5%
• Service Temperature: -40°F to 195°F (-40°C to 90°C)
• Shelf Life: 12 months (cartridges/unipacs); 6 months (drums/pails)