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Injection Molding

Midwest Plastics can handle specific requirements of your product in terms of size, material, volume, and complexity. We offer a wide spectrum of Injection Molding capabilities enabling us to competitively produce quality parts small or large, ranging from consumer-oriented products to intricate high-tech components. Our versatility allows you the flexibility of specifying the materials which best suit your needs, including commodity and engineering grade plastics. We also offer complete secondary operations, including sonic welding, hot stamping and assembly.

Midwest Plastics works with a variety of different materials with our Injection Molding Process including:

  • High Density Polyethylene - HDPE
  • Low Density Polyethylene - LDPE
  • Nylon
  • Polystyrene
  • Delrin/Acetal
  • Polycarbonate - PC
  • ABS
  • Polypropylene - PP
  • ASA
  • Acrylic
  • Polyester - PBT
  • Antimicrobial
  • Glass-Filled Compounds

Secondary Operations

  • Drilling
  • Tapping
  • Routing
  • Sawing
  • Hot Stamping
  • Sonic Welding
  • Gluing

Kanban Programs

We have helped many of our customers control inventory and track the flow of in-process materials. Our program can assist in your companies Just-In-Time or lead production process.

1689 Oakdale Avenue West St. Paul, MN 55118 Toll Free: 1-800-423-9137 Tel: 651-451-7712 Fax: 651-451-1998 Email: