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Sikaflex®-221 Multi-Purpose Adhesive and Sealant
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Sikaflex®-221 Multi-Purpose Adhesive and Sealant Overview
Sikaflex®-221 is a multi-purpose, one-component polyurethane adhesive and sealant that forms effective bonds with a variety of substrates, such as metals, metal primers, paint coatings (2-component systems), ceramics, and plastics. Sikaflex®-221 is ideal for internal sealing and simple bonding applications and is suitable for forming permanent elastic seals.
Features
- Bonds well to a wide variety of substrates
- Resistant to aging
- Can be sanded and painted
- Listed under NSF/ANSI/CAN 61 ─ Drinking Water System Components
- Listed under NSF ─ Proprietary Substances and Nonfood Compounds
- Non-corrosive
- Low odor
Specifications:
- Series: Sikaflex®-221
- Cartridge Size: 300 ml (10.1 fl oz)
- Chemical Base: 1-Component Polyurethane
- Color: White
- Cure Mechanism: Moisture-Curing
- Density (Uncured): 10.8 lb/gal (1.3 kg/l)
- Non-Sag Properties: Good
- Application Temperature: 41 to 104°F (5 to 40°C) - Ambient
- Skin Time: 60 Minutes @ 73°F (23°C) / 50% r.h.
- Open Time: 45 Minutes @ 73°F (23°C) / 50% r.h.
- Curing Speed: See Product Data Sheet
- Shrinkage: 5%
- Shore A Hardness: 40
- Tensile Strength: 260 PSI (1.8 MPa)
- Elongation at Break: 500%
- Tear Propagation Resistance: 7 N/mm (35 pli)
- Service Temperature: -58 to 194°F (-50 to 90°C)
- 24 Hours: 248°F (120°C)
- 1 Hour: 284°F (140°C)
- Shelf Life:
- Cartridge / Unipack: 12 Months - Storage Below 77°F (25°C)
- Pail / Drum: 6 Months - Storage Below 77°F (25°C)
Other Package Sizes Available
Unipacks (400 ml and 600 ml), 4.5 Gallon Pails, and 50 Gallon Drums available. Please Contact us for more information.
Resources
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