| Trade Name | Loctite 221 |
| Application | Threadlocking |
| Material Compatibility | Metal |
| Threadlocking Strength | Low |
| Cure Time | 24 h |
| Anaerobic | Yes |
| Colour | Purple |
| Product Form | Liquid |
| Package Type | Bottle |
| Package Size | 50 ml |
| Maximum Operating Temperature | +150°C |
| Minimum Operating Temperature | -55°C |
| Chemical Composition | Dimethacrylate Ester |
| Odour | Characteristic |
| Viscosity Description | Low Viscosity |
| Viscosity Measurement | 100 → 150mPa/s |
| Operating Temperature Range | -55 → +150 °C |
| Special Features | Anaerobic |
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