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When manufacturing a part that is hollow in shape, blow molding is the most cost effective manufacturing process. Blow molding is accomplished by extruding a hollow sleeve (or parison) of molten plastic between two mold halves. The mold is then closed around the parison and air is injected within, forcing the plastic to mimic the mold cavity configuration.

Dove Plastics has blow molding machines with single and dual heads ranging in shot size from 1/2 oz. to 10 lbs.

Advantages of Blow Molding:

  • Tooling cost is typically less than injection molding.
  • Piece price is typically less than rotational molding.
  • One piece construction (no welding or gluing part halves together.)
  • No cores allow for irregular shapes.
  • Seamless construction is ideal for liquid filled or airtight containers.
  • Excellent ESCR (Environmental Stress Crack Resistance.)
  • Quick product revisions allow for increased flexibility
  • (wall change is process change, not a tooling change. Tools made from aluminum are less costly to revise.)

Our client's include:

  • DuPont Corporation
  • American Axle & Manufacturing
  • Dana Corporation
  • Grosfillex Inc
  • Crayola LLC
  • Woodland Power Products
  • Seimens Healthcare Diagnostics
  • National Marker Company
  • Unified Solutions Corporation
  • Southern Bleacher Company
  • Bel-Art Products
  • Ammon Products
  • Bee Smart Designs
  • Loveshaw Inc