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
Read More

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.