LOCTITE® SI 5015

Known as LOCTITE Superflex Blue RTV Silicone Adhesive Sealant

Features and Benefits

Acetoxy silicone paste which cures on exposure to moisture to form a tough, flexible, silicone rubber gasket.
LOCTITE® SI 5015 is a blue, acetoxy silicone paste which cures on exposure to moisture to form a tough, flexible, silicone rubber gasket. It resists aging, weathering and thermal cycling without hardening, shrinking or cracking. It is used in covers for valves, timing gears, differentials, oil pans, transmissions, water pumps and thermostat housings.
  • Enhances load bearing & shock absorbing characteristics of the bond area
  • Gasket replacement or gasket dressing
  • Suits applications with an operating range of -54°C to +204°C
  • Ideal for stamped parts and safe for use with automotive oxygen sensors
  • Adheres to a wide range of substrates
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Technical Information

Chemical basis / base Acetoxy silicone
Colour Blue
Cure type Room temperature vulcanization (RTV) cure
Key characteristics Flexible, No mix
Number of components 1 part
Physical form Paste
Specific gravity, @ 25.0 °C 1.04
Storage temperature 8.0 - 21.0 °C