Custom Rubber Compression Molding Manufacturer

Compression molding is when a preform (specific size and weight of uncured rubber) is placed into the open mold. The heated mold (specific to the part) is then closed using hydraulic pressure. The rubber is held in the heated cavity for a specific amount of time to properly cure the rubber into its final shape.
Compression Molding

The Pros and Cons of Compression Molding

Advantages

  • Lower initial tooling cost
  • Best for low volume production
  • Good for large components
  • Can accommodate over-mold or rubber bonded to metal or other material parts

Disadvantages

  • Labor intensive compared to injection molding
  • More wasted material than injection molding
  • Higher cycle time

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