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Microcellular Molding
YOU ARE HERE: Home / More sustainable, lighter-weight, plastics packaging / Microcellular Molding

Microcellular Molding

Microcellular Molding involves the controlled use of gas injected into the melt stream via the molding machine. Microcellular Molding, or MuCell®, creates uniform micro-bubbles in a “foaming” action to disperse the plastic evenly within the cavity walls.

Microcellular molding melt stream | Plastics packaging lightweighting | StackTeck

Trexel, the company behind MuCell®, has partnered with StackTeck to optimize this technology for the injection molding packaging industry.

Microcellular Molded IML Part | In Mold Labeling | Molded on StackTeck Mold

The benefits of microcellular molding for the thin-wall packaging industry:

  • Less clamp tonnage
  • Thin to thick wall flow
  • 1:1 wall thickness rib structure
  • Material where needed for function versus flow
  • Improved dimensional stability
  • Less or no part warpage
  • Part weight savings up to 30%

Microcellular Molding Video

  • 1×4  IML TRIM MuCell Cup Mold

Other Light-weighting Solutions from StackTeck

Other proven injection molding solutions from our toolbox for more sustainable, lighter-weight, plastics packaging:

  1. Multi-Gating
  2. Ultra-Fast Injection
  3. TRIM – Thin Recess Injection Molding
  4. Injection Compression Molding 
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Sustainable Solutions video

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Beverage Caps

  • Carbonated Soft Drinks (CSD) Molds
  • Mineral Water Closures
  • Hot Fill Closures
  • Other Caps & Closure Molds

Custom Closures

  • Unscrewing Closures
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Thinwall Packaging

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  • Barrier Containers / Lids
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  • Horticultural

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  • Medicine Cups
  • Labware / Petridishes
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  • Hospital Thinwall

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