LOCTITE® SI 5900 Flange Sealant
Known as LOCTITE 5900
Features and Benefits
Silicone-based gasketing product suitable for various substrates. Good resistance to oil and joint movement.
LOCTITE® SI 5900 is a low strength, moisture-cured, thixotropic silicone-based paste. Typical applications include stamped sheet metal covers (timing covers and oil sumps). It exhibits a rapid skin-over time of 15 min and is suitable for gaps up to 1 mm. As a single component it requires no mixing.
- Good oil resistance
- Withstands joint movement
- Reduces migration of liquid after application
- Adheres to metal, plastic, glass and ceramic materials
Documents and Downloads
Looking for a TDS or SDS in another language?
Technical Information
| Colour | Black |
| Cure type | Room temperature vulcanization (RTV) cure |
| Extrusion rate | 30.0 g/min. |
| Key characteristics | Adhesion: high adhesion, Oil resistance: excellent oil resistance |
| Operating temperature | -65.0 - 400.0 °F (-55.0 - 200.0 °C ) |
| Recommended for use with | Metal, Plastic |
| Storage temperature | 8.0 - 21.0 °C |
| Tack free time | 15.0 min. |
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LOCTITE® SI 5900
Silicone-based gasketing product suitable for various substrates. Good resistance to oil and joint movement.