Double injection Mold

Two Shot Molds (also three and four-shot) are a cost-effective method to produce plastic parts with two or more colors molded at the same time, such as radio control buttons or dashboard faceplates.

Two Shot mold is a relatively new, rapidly growing technology. It is replacing older, two step systems, eliminating a secondary process to add logos, graphics or text. New computer technology and advanced materials have promoted the growth of the two-shot process.

The two shot process first injects one color material into the mold, then injects the second color around or over the first. There are also multi-shot processes for parts with more than two colors (tail-lights can have up to four colors, for example)..

The two shot process allows you to::

  • Increase product features
  • Enhances design aesthetics
  • Reduce assembly steps and costs
  • Improve quality
  • Reduce cost per part
  • Some of the benefits of producing plastic parts using a multi-shot molding process includes:

  • Produce more complex parts
  • Produce multi-colored or multi-resin parts
  • Parts with movable segments or components using on-mold assembly
  • Eliminate post-molding assemblies, such as:
  • Snap-fits
  • Ultrasonic welding
  • Adhesives
  • Screws or bolts
  • Allows the first material to cool before the second one is injected
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