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Sikaflex®-221 is a high-quality multi-purpose 1-component polyurethane adhesive / sealant that cures on exposure to atmospheric humidity. It is suitable for internal sealing and simple bonding applications. Bonds well to a wide variety of substrates. Resistant to ageing. Can be overpainted.
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| Product properties | |
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| Brand | Sikaflex |
| Category | Silicone |
| Manufacturer Part Number (MPN) | 221 |
| Type | General Purpose |
| Size | 300ml |
| Colour | Black |
| Chemical Basis | Polyurethane |
| Temperature Range | -50 °C to +90 °C |
| Cure Method | Moisture |
| Technical Documents |
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| Data Sheet |
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| Data Sheet |