Process & Capabilities
Focus Areas
Markets Served


  •   Modeling
  • Value Added
  • Precision
    Injection Molding
  • Mold Design & Mold Building
  • Mechanical & Plastic
    Engineering Assistance
  • Customer Product Assembly
    Part Design Support

Partly due to trends in the OEM marketplace, where OEM customers are both outsourcing more of the manufacturing and sourcing process and partly due to the tight tolerance requirements of much of PPM’s work, the value added department has grown significantly. PPM has invested in several CNC machining centers, ultrasonic welding equipment, and other resources to be able to support these efforts. Increasingly, PPM is producing subassemblies and assemblies, requiring difffernet types of final testing, including pressure and/or leak tests.

Specific value added services include:

  • Tight tolerance machining
  • Ultrasonic welding and insert installation
  • Thermal welding and insert installation
  • Hydro leak testing
  • Pressure and burst testing
  • Mechanical and DSC testing
  • Pad printing , hot stamping, and silkscreening
  • Painting & plating

Any subcontractors used follow the “flowdown” quality and documentation requirements specified by the OEM customer.

Prototype & Plastic Mold Company, Inc., • 35 Industrial Park Pl • Middletown, CT 06457
Ph: 860-632-2800 • Fax 860-632-2249

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