Sikaflex-291 is a non-sag, one-component polyurethane sealant that cures on exposure to atmospheric moisture. Developed as a multipurpose product for marine construction, it makes elastic, vibration-resistant joint seals and bonds well to wood, metals, metal primers and 2-component paint coatings, ceramics and plastics such as GRP.
Features
- Bonds well to a wide variety of substrates
- Good ageing and weathering resistance
- Elastic, low odour and non-corrosive
- Can be overpainted and sanded
- Shore A hardness 40; tensile strength 1.8 MPa; elongation at break 500%
- Skin time 60 min; open time 45 min (23 °C / 50% RH)
- Service temperature -50 °C to +90 °C
Applications
- Elastic, vibration-resistant joint seals
- Interior sealing applications
- Bonding of wood, metals, ceramics and GRP
Specifications
- NSF listed – Proprietary Substances and Nonfood Compounds (black and white)
Notes
- Must not be used to seal plastics prone to stress cracking (e.g. PMMA, polycarbonate).
- Shelf life: 12 months stored below 25 °C.
| Packing | 300 ML or 600 ML |
| Color | White or Black |