Compression Molding

Compression molding is similar to making a waffle. It is ideal for parts made of medium-hardness compounds or softer and consists of:

  • Allowing a polymer to “flow” into a mold
  • Closing the mold and compressing it with heat
  • After curing, trimming off “overfill”

Pittsburgh Plastics Manufacturing compression molds polymer gels (such as IsoGel®), foams (such as IsoFoam®), and our new hybrid material GELoam® as well as products with and without fabric or films and rigid components.