Sikaflex 221
Multipurpose PU sealant for long term durability
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| Applications |
|
| Replaces |   |
| Available pack size | 300ml, 600ml, 23Litre |
| Standards | NSF approved,ASTM C920, TT-S-00230C/REACH/RoHS |
| Related Accessories (Click image to explore more) |    |
Specifications
| Chemical Composition | Polyurethane |
| Curing Mechanism | Moisture |
| Color | White/Grey/Black/Brown |
| Specific Gravity | N/A |
| Recommended substrates | Metals, Plastics, Composites, Ceramic. |
| Max gap fill | 6mm |
| Tack Free Time | 60min |
| Elongation at Break | 500% approx. |
| Hardness | 40 Shore A |
| Tensile Strength | 1.8MPa |
| Service Temperature | -40°C to 90°C |
Features and Benefits
| Very elastic and strong | |
| NSF approved for incidental food contact | |
| Bonds well to a variety of applications |
Notes
- Exhibits superior performance in transformer oil application
- Curing speed can vary depending on moisture and humidity presence
- Sealant inside an enclosed chamber can have delayed curing. Humidity chamber can be used to speedup.
