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Engineering Specifications


  PLASTIC MOLDING

  Insert Molding
  Injection Molding
  Injection Compression Molding
  Rotary Injection Molding
  Shuttle Injection Molding
  Transfer Molding
  Compression Molding

  PLASTIC MATERIALS

  Acetal
  Acrylics
  Acrylonitrile-butadiene Styrene (Abs)
  Alkyds
  BMC (Bulk Molding Compound)
  Diallyl Phthalate (Dap)
  Epoxy
  Melamine-formaldehyde
  Nylon
  Phenolic
  Polyamide-imide
  Polyarylates
  Polybutylene
  Polycarbonate
  Polyethylene
  Polyimides
  Polyketones
  Polyphenylene Oxide, Modified
  Polyphenylene Sulfide
  Polypropylene
  Polystyrene
  SMC (Sheet Molding Compound)
  Styrene Acrylonitrile
  Sulfone Polymers
  Thermoplastic Polyester (Saturated)
  Thermoset Polyester
  Urea-formaldehyde

 

COMPRESSION MOLDING

A method of molding in which the molding material, which is usually preheated, is first placed in an open, heated mold cavity. The mold is closed with a top force or plug member, pressure is applied to force the material into contact with all mold areas, and heat and pressure are maintained until the molding material has cured. The process employs thermosetting resins in a partially cured stage, either in the form of granules, putty-like masses, or preforms. Compression molding is a high-volume, high-pressure method that is suitable for molding complex, high-strength fiberglass reinforcements. Advanced composite thermoplastics can also be compression molded with unidirectional tapes, woven fabrics, randomly orientated fiber mat or chopped strand. The advantage of compression molding is its ability to mold large, fairly complex parts. Compression molding produces fewer knit lines and less fiber-length degradation than injection molding.


Compression Molding


THERMOSET TRANSFER AND COMPRESSION MOLDING

The main advantage of thermoset transfer and compression molding is the use of certain very high temperature thermoset materials. Compared to thermoplastics, these materials are more dimensionally stable, which means that shrinkage doesn’t change with processing or environmental conditions and is less sensitive to wall thickness variations.


Have any questions about materials and capabilities?

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