Silicone 401 RTV

Silicone 401 RTV


Selleys 401 Silicone is a one component, ready to use, acid cure silicone adhesive sealant developed for form-in-place gaskets and adhesive sealing, electrical insulating applications in manufacturing and plant maintenance.

  • Remains permanently flexible under operating temperatures from - 60°C to 205°C, and will tolerate short periods of 260°C
  • Good resistance to most organic and inorganic chemicals, solvents and oils
  • Adheres without primer to many metal, glass, ceramic, rigid plastic, rubber painted and wood substrates
  • Suitable for incidental food contact in food handling equipment and food contact surfaces
  • Excellent resistance to ozone, UV light and ageing


  • Ideal for sealing and adhering around oven doors
  • Form-in-place gaskets
  • Adhesive sealing applications
  • Electrical insulating applications


Technology Acetic cure silicone
Skin Time (23C/50%RH) 5 minutes
Movement Capability N/A
Tensile Strength N/A
Shore A Hardness 23
Curing rate (23C/50%RH) 3mm/24 hours

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