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)
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