LOCTITE® SI 5990

Known as LOCTITE 5990

Features and Benefits

Silicone Sealant - excellent adhesive strength. Ideal for use on copper and applications involving large gaps. High temperature resistance. Label-free.
LOCTITE® SI 5990 is a non-corrosive silicone sealant and cures on exposure to moisture in the air to form a tough rubber gasket. The nature of LOCTITE SI 5990 reduces the migration of liquid product after application to the part. It has excellent temperature resistance characteristics and can also be used for electrical insulating applications. This product is typically used in applications up to 350 °C. The product has leading health and safety features.
  • High temperature resistance
  • Electrical insulating product
  • Suitable for all kinds of surfaces including metals, plastics
  • Oil resistant
  • Leading in health & safety features
  • Copper color
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Technical Information

Color Copper
Cure speed vs time, 24.0 hr. 2.5 mm
Gap fill 1.0 mm
Lab shear strength 1.03 N/mm²
Recommended for use with Metal, Plastic