Plastic Injection Molding

At Augustine Plastics, Inc. (API), we specialize in full-service custom Plastic Injection Molding of single-cavity molds, multicavity molds, and
family molds for customers seeking high-quality, cost-effective plastic injection molded parts made with commodity and advanced filled and unfilled engineering thermoplastic resins.  We also offer Liquid Injection Molding for molded parts made with silicone.  

The API Approach

ADM's Core Plastic Injection Molding Services

Streamlining manufacturing processes from concept to completion through expert insight and in-house capabilities

APIs Expertise, Your Assurance

Product Design Assistance and Design for Manufacturability (DfM) Feedback

To ensure that your plastic product will meet your needs and is cost-effective and cost-efficient to manufacture, we provide product design assistance and Design for Manufacturability (DfM) feedback regarding processing, tooling, and visual and functional applications using the latest state-of-the-art 3D computer-aided design (CAD) and programming software.

Material Selection and Validation

We leverage our vast knowledge of commodity and engineering resins and work directly with you to determine the best material for your product and its applications.


We facilitate small-volume R&D design and prototyping at low cost before medium- and higher-volume production. Our prototyping services assure that your design will meet your requirements for form, fit, and function prior to manufacturing the injection molds.

Plastic Injection Molding

We support a wide range of industries with injection molding machines ranging from 55-ton to 880-ton presses with 1.2-ounce to 125-ounce shot sizes working with single-cavity, multicavity, and family molds.

Quality Inspections

We perform strict quality inspection checks throughout your entire plastic injecting molding project from the first-article inspection, through in-process production, to the final part.

Value-Added Secondary Operations

We offer and manage a multitude of value-added secondary operations in house as part of your injection molding program, which provides the value of assured quality, improved efficiencies, and overall cost savings. Our secondary operations include:

  • Labeling
  • Hot Stamping
  • Ink Pad Printing
  • Heat Staking
  • Ultrasonic Welding
  • Insert Molding and Assembly
  • Machining
  • Product Assembly
  • Packaging
  • Warehousing
  • Shipping

The API Advantage

At-A-Glance Benefits of API’s Plastic Injection Molding Services