Gasketing Products

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.

  • Suitable for all kinds of surfaces including metals, plastics
  • High temperature resistance
  • Electrical insulating product
  • Oil resistant
  • Copper colour
  • Leading in health & safety features