World class silicones for worldwide solutions

Silicone for Vacuum Bags

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VBS26  is an addition cure silicone moulding rubber for the manufacture of reuseable vacuum bags for resin infusion. It has been specially formulated as a sprayable material allowing for exceptionally low cost composite manufacture using resin infusion technology. 

General Attributes:

  • 1:1 mix ratio
  • Easy to apply using fully automated mixing and spray equipment designed and manufactured by Alan Harper Composites Ltd
  • Fast curing heat accelerated RTV
  • High tear and tensile strength for repeated uses of the bag
  • Low viscosity


  • Automotive parts such as bumpers and windscreens
  • Aerospace components
  • Marine components

VBS26 is manufactured by ACC Silicones and distributed through Alan Harper Composites.