Silicone Rubber 5140

Soft silicone base for flexible seals and tubing

Silicone rubber 5140 blocks in transparent packing

Product overview

Silicone Rubber 5140 sits at the softer end of the range, favoured where a compliant sealing face or a highly flexible tube wall is required.

Its low hardness supports easy compression sealing on uneven mating surfaces while retaining silicone's temperature and weathering advantages.

Key features

  • Soft hardness for compliant sealing
  • Excellent flexibility at low temperatures
  • Smooth surface finish after cure
  • Good electrical insulating behaviour
  • Suitable for extrusion and moulding

Applications

  • Flexible tubing and soft gaskets
  • Appliance door seals
  • Vibration damping pads
  • Low-pressure sealing components

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