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TRIM - Thin Recess Injection Molding
YOU ARE HERE: Home / More sustainable, lighter-weight, plastics packaging / TRIM – Thin Recess Injection Molding

TRIM – Thin Recess Injection Molding

Ultra-light-weight injection molded parts are developed with StackTeck’s new technology called TRIM™.

Thin Recess Injection Molding (TRIM™) uses an advanced approach to thinwall out portions of the wall section well beyond the conventional thinwall packaging approach used for polyolefins with high melt flow indexes. TRIM™ involves molding ultra-thin panels with flow leaders that assist with part filling and maintain part strength.

Rectangular Container example

Part Weight Savings using TRIM | Thin Recess Injection Molding for Packaging Sustainability | StackTeckThis 32 oz. TE container has a flow length of 5.74 inches, and with thin recess areas covering half of the part’s side wall and bottom, an ultra-thin panel thickness of 0.011 inches was achieved. Conventional thinwall part design normally assumes a maximum L/T ratio of 300 (i.e. ratio of flow length to average wall thickness). Using TRIM™, it has been demonstrated using a 32 oz. rectangular container design, that large areas of the part can be thinned out which correspond to an L/T ratio of over 500. Part weight savings that can be achieved using this technology are in the range of 10-40%.

Other TRIM™ part examples

Ultra Thinwall Containers with an L/T ratio up to 550:1

Thin Recess Injection Molding (TRIM) plastic packaging for light-weighting and sustainability | StackTeck

TRIM™ Mold Videos

  • 1×4  IML TRIM MuCell Cup Mold
  • 2×8 Bottom TRIM Design Container Mold
  • IML-TRIM Cup Mold

Other Light-weighting Solutions from StackTeck

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

  • Multi-Gating
  • Ultra-Fast Injection
  • Microcellular Molding
  • Injection Compression Molding

 

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Sustainable Solutions video

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Beverage Packaging

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

Custom Closures

  • Unscrewing Closures
  • Collapsing Core Closures
  • Bump-off Caps & Closure Molds
  • Flip-Top Caps & Closures
  • Personal Care
  • Multi-Material Closures

Thinwall Packaging

  • In-Mold Labeling Containers / Lids
  • Barrier Containers / Lids
  • Ultra-Light-Weight Containers / Lids
  • Horticultural

Medical Molds

  • Medicine Cups
  • Labware / Petridishes
  • Pharmaceutical
  • Hospital Thinwall

Other

  • Cutlery
  • Clothes Hangers
  • Roof Shingle Molds
  • Flat Panels and Trays

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