ISO 9001:2015 CERTIFIED | PALATINE, IL FACILITY

Custom Plastic Injection Molding Services

Turnkey thermoplastic engineering and precision molding from prototype to high-volume production runs. Eliminate supply chain delays with our 100% US-based manufacturing facility.

  • Tooling Transfers & Maintenance
  • DFM & Early Engineering Support
  • Overmolding & Insert Molding
  • Secondary Value-Add Assembly

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    Trusted Partner for Leading OEMs & Component Manufacturers Across North America

    1995

    Established Year

    99.4%

    On-Time Delivery Rate

    ISO 9001

    Certified Since 2001

    100%

    US Manufacturing (Palatine, IL)

    trusted-partner

    Core Capabilities & Value Additions

    One-Stop Engineering & Custom Molding Solutions

    Driven by precision plastic injection molding at our core, JDI Plastics backs every project with end-to-end engineering, tooling management, and value-added assembly.

    PRECISION THERMOPLASTIC PROCESSING

    Custom Plastic Injection Molding Services

    At the core of JDI Plastics is our high-precision custom plastic injection molding facility in Palatine, IL. We engineer and mold high-tolerance components across a wide range of press capacities, part complexities, and thermoplastic resins—delivering consistent part quality from low-volume production to high-volume manufacturing runs.

    • Precision & Tight Tolerances
      Repeatable dimensional accuracy for critical OEM components.
    • Overmolding & Insert Molding
      Metal-to-plastic conversions, threaded inserts, and soft-touch rubber grips.
    • Commodity & Engineering Resins
      Expertise in ABS, Polypropylene, Glass-Filled Nylon, PC, PEEK, and TPE.
    • Scalable Production Runs
      From initial 500-unit production runs to 100,000+ unit mass manufacturing.

    Integrated Value-Added Services

    Enhancing your injection molding projects with turnkey secondary, tooling, and quality solutions.

    Turnkey Secondary Assembly

    Consolidate your operations. We perform sub-assembly, sonic welding, heat staking, pad printing, surface coating, and custom retail-ready packaging.

    • Ultrasonic & Heat Staking
    • Custom Pad Printing & Kitting

    Tooling Transfers & Reshoring

    Seamlessly relocate existing tooling to JDI. We inspect, perform preventative maintenance, tune up molds, and resume production with zero downtime.

    • In-House Mold Preventative Maintenance
    • Rapid Tooling Onboarding

    DFM &
    Tool Design

    Early Supplier Involvement (ESI) ensures your parts are optimized for molding before tooling is cut—reducing cycle times and cutting part costs.

    • Mold Flow Analysis & Prototyping
    • Part Optimization for Tooling

    ISO 9001:2015
    Quality

    Certified since 2001, our quality system enforces rigorous Cpk/Ppk statistical process control, lot traceability, and first article inspections.

    • ISO Certified Quality Control
    • First Article Inspection Reports (FAIR)

    Material Expertise

    Resin Selection & Specialty Polymers

    Compare our extensive thermoplastic resin processing capabilities across performance ratings, key properties, and common OEM applications.

    Resin/Material Category Key Properties Common
    Applications
    Thermal & Chemical
    Resistance
    ABS / ABS-PC
    Blend
    ENGINEERING High impact strength,
    dimensional stability,
    easy to finish/plate
    Electronics housings,
    automotive trim,
    appliance enclosures
    Moderate Temp (up to
    200°F) / Good Oils
    Resistance
    Polypropylene
    (PP)
    COMMODITY Lightweight, high fatigue
    strength, excellent living
    hinge capability
    Containers, caps &
    closures, automotive
    battery cases
    Moderate Temp /
    Superior Chemical
    Resistance
    Nylon (PA 6 /
    PA 66)
    ENGINEERING High tensile strength,
    wear resistance,
    available glass-filled
    Structural brackets,
    gears, under-the-hood
    components
    High Temp (up to
    300°F+) / Fuel & Solvent
    Resistant
    Polycarbonate
    (PC)
    ENGINEERING Optical clarity, extreme
    impact resistance, rigid
    stability
    Lenses, transparent
    covers, medical device
    housings
    High Heat Deflection /
    Fair Chemical
    Resistance
    PEEK /
    ULTEM
    SPECIALTY
    HIGH TEMP
    Outstanding mechanical
    properties, extreme heat
    and flame resistance
    Aerospace parts, medical
    implants, oil & gas valve
    components
    Extreme Temp (up to
    480°F+) / Broad
    Chemical Inertness
    TPE / TPU
    Elastomers
    SPECIALTY
    SOFT TOUCH
    Rubber-like flexibility,
    overmolding bond
    strength, tactile grip
    Soft-touch tool handles,
    seals, gaskets, vibration
    dampeners
    Flexible Operating
    Range / High
    Weathering & UV

    Target OEM Markets

    Industries We Serve

    Delivering precision injection molded parts tailored to strict regulatory and functional requirements across diverse sectors.

    5.0 Star Rating from Satisfied OEMs

    Based on verified Google Reviews from leading industrial partners.

    Got Questions?

    Frequently Asked Questions

    Everything you need to know about starting an injection molding project with JDI.

    How quickly can I receive a quote for my injection molding project?

    JDI Plastics has been ISO 9001 certified continuously since 2001 (currently ISO 9001:2015). We maintain full lot traceability, offer Cpk/Ppk process` capability studies, and provide First Article Inspection Reports (FAIR).

    JDI Plastics has been ISO 9001 certified continuously since 2001 (currently ISO 9001:2015). We maintain full lot traceability, offer Cpk/Ppk process` capability studies, and provide First Article Inspection Reports (FAIR).

    JDI Plastics has been ISO 9001 certified continuously since 2001 (currently ISO 9001:2015). We maintain full lot traceability, offer Cpk/Ppk process` capability studies, and provide First Article Inspection Reports (FAIR).

    JDI Plastics has been ISO 9001 certified continuously since 2001 (currently ISO 9001:2015). We maintain full lot traceability, offer Cpk/Ppk process` capability studies, and provide First Article Inspection Reports (FAIR).