Description
Sikaflex®-227 is a high-quality, 1-component, moisture-cured, non-sag polyurethane sealant and adhesive that delivers a permanently elastic bond for various applications. Manufactured in accordance with ISO 9001 / 14001 quality standards and the Responsible Care Program, Sikaflex®-227 offers exceptional performance and ease of use.
Key Benefits:
- Versatile Adhesion: Bonds to a wide range of substrates, including aluminum, FRP, steel, wood, SMC, RIM, pre-painted metals, ZINCALUME, Zincgrip, and aluminized steel, often without primer.
- Fast Curing: Rapid tack-free time and cures quickly to a flexible elastomer with excellent cut and tear resistance.
- Durable Performance: Weather-resistant, low odor, non-staining, and paintable for long-lasting results.
- Broad Applications: Ideal for sealing exterior lap seams, rivet seams, exposed and concealed joints, and expansion joints in various industries, including transportation, metal roofing, construction, HVAC, and more.
Product Features:
- 1-component, fast-curing, fast-skinning polyurethane formulation
- Non-sag, moisture-cured system
- Excellent adhesion to diverse substrates
- Rapid tack-free time
- Cures to a flexible elastomer with outstanding cut and tear resistance
- Low odor, non-staining
- Paintable
- Weather-resistant and road salt resistant
Applications:
- Sealing exterior lap seams in truck trailers, RVs, metal roofs, window perimeters, grain bins, and HVAC units
- Sealing rivet seams
- Sealing exposed and concealed joints of aluminum, steel, coated metals, wood, roof rails, and door hinges in transportation equipment
- Sealing and caulking expansion joints
- May be suitable for use on a wide variety of substrates, including aluminum, steel, glass, wood, metal primers and paint coatings (2-component systems), metals, painted plastics, and many different types of plastic.
Available Packaging:
- Cartridge: 300 ml
- Unipack: 600 ml
- Pail: 4.5 gal
- Drum: 50 gal
Typical Product Data:
| Chemical Base | 1-component polyurethane |
| Color (CQP001-1) | Black, white, aluminum gray, hitachi gray, desert tan |
| Cure Mechanism | Moisture-curing |
| Density (uncured) | 1.3 kg/l (10.8 lb/gal) |
| Non-sag properties | Good |
| Application temperature | 5-35 °C (41-95 °F) |
| Skin time (CQP019-1) | 40 minutes |
| Curing speed (CQP049-1) | (see diagram below) |
| Shrinkage (CQP014-1) | 5% |
| Shore A hardness (CQP023-1/ISO 7619-1) | 40 |
| Tensile strength (ASTM D412) | 1.6 MPa (230 psi) |
| Elongation at break (ASTM D412) | 600% |
| Service temperature (CQP513-1) | -50-90 °C (-58-194°F) |
| Shelf life (CQP016-1) | Cartridges / unipacks: 9 months Drums/pails: 6 months |
Cure Mechanism:
Sikaflex®-227 cures by reaction with atmospheric moisture. At low temperatures the water content of the air is generally lower and the curing reaction proceeds somewhat slower.
Packaging and Colors:
| Item Number | Color | Packaging |
| 90905 | White | 300 ml ctg |
| 90906 | Alum Gray | 300 ml ctg |
| 90907 | Black | 300 ml ctg |
| 108207 | Hitachi Gray | 300 ml ctg |
| 187534 | Desert Tan | 300 ml ctg |
| 187535 | Dark Yellow | 300 ml ctg |
| 187744 | Alum Gray | 300 ml Unipac |
| 90904 | Black | 600 ml Unipac |
| 90902 | Alum Gray | 600 ml Unipac |
| 106454 | Alum Gray | 50 gal (189.2 liter) Drum |
| 90908 | White | 50 gal (189.2 liter) Drum |
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