• Engineering Support

    Neff-Perkins has been Engineering Rubber and Plastic Products for over 75 years.  We continue to work with our machine manufacturers and tool makers in the development of molding methods that are on the cutting edge of technology.  From the simplest shoot and ship products, to complex products, we are there to support your needs.  Our Engineering team can take your product from concept to high volume production in a timely, cost effective manner.


    • Liquid Injection
    • Injection
    • Transfer
    • Injection Transfer
    • Compression

    • Single Cavity
    • Multi Cavity
    • Flash Free
    • Valve Gate
    • Duel Shot

    • Product Design
    • Product Consolidations
    • Reverse Engineering
    • Equipment Design
    • Testing
  • Manufacturing

    Neff-Perkins advanced technology and ability to utilize virtually any molding method allows us to select the most appropriate process to meet your needs.  Our streamlined manufacturing methods get quality product to you on time at a competitive price.


    • 22 Ton – 600 Ton
    • In-House Silicone Mixing
    • Assembly
    • Testing

    • Rubber & Silicone
    • Plastic Injection
    • Liquid Injection Molding (LIM)
    • Insert Molding
  • Product Testing

    Neff-Perkins team of Engineers can develop a test system and build equipment on-site.  From Leak Test Equipment to Automated Assembly, to anywhere in-between, Neff-Perkins will develop a suitable test process for your product.

    • Thin-wall Diaphragm leak test
    • Assembly
    • Automation
  • Material Development & Testing

    Neff-Perkins can help you select a material formulation that is engineered to meet your products performance needs.  Whether selected from our extensive library of proprietary formulations or developed specifically for your application, our on-site Materials Lab is there to support you.  Our Materials Lab can respond quickly to your development and testing needs with this on-site resource.

      Test Capabilities

    • Compression Set
    • Tensile (high and low temperature)
    • Heat Age
    • Ozone
    • Durometer
    • Oil swell