Inner Envelope

  • bulldog tireThe Bulldog Double Envelope Curing System consists of a form fitting compression molded inner envelope combined with a snug fitting outside envelope allowing for optimum pressure forces to be applied to the entire internal and external tire surface.
  • The inside envelopes are made from a lightweight, easy to use compound that helps provide an exact heat transfer during the curing process.
  • The one-piece inner envelope eliminates the risk of bead area seam separations.
  • Available in a wide range of sizes.