Faq

FAQs: Consumer Products Injection Molding

What services does Hoffer Plastics provide?

Hoffer Plastics is a full-service custom injection molding company providing design and engineering support, tooling and moldmaking, plastic injection molding, secondary operations and automation – all under one roof in the United States. We offer consistent 99.45% on-time delivery while producing more than three billion parts per year for companies with a wide range of product needs.

In addition to the production of custom plastic injection molded components, Hoffer Plastics manufactures the Lok™ family of caps and spouts for flexible and rigid packaging applications.
What types of companies and industries does Hoffer Plastics serve?

Hoffer Plastics partners with companies ranging from Fortune 500 manufacturers to emerging brands across diverse industries requiring high-quality custom plastic components and packaging solutions. Industries we serve include:

  • Appliance
  • Automotive
  • Consumer and Industrial Products
  • Dairy
  • Food and Beverage
  • Medical and Pharmaceutical
  • Packaging
  • Personal Care

We are committed to being a true partner in these markets, building relationships with our customers to understand their pain points, current trends and key success drivers.
What are the primary products Hoffer Plastics’ services are applied to?

Hoffer Plastics manufactures custom plastic injection molded components and the Lok™ family of closures, including Trust-T-Lok® for flexible packaging and Drop-Lok® for rigid packaging. We apply our expertise in design and engineering, tooling, automation and manufacturing to help customers drive efficiencies, maximize quality and meet critical sustainability goals.

Hoffer specializes in precision injection molded parts used in consumer products, medical devices, industrial applications and packaging systems. Whether producing high-volume components or specialized closures, Hoffer Plastics focused on durability, performance and manufacturability.
Where is Hoffer Plastics located and what are their main facilities?

Hoffer Plastics is located in South Elgin, Illinois, approximately 40 miles west of Chicago. We operate a 365,000-square-foot state-of-the-art manufacturing facility situated on 24 acres at:

500 N. Collins St.
South Elgin, IL 60177

Founded in 1953, Hoffer Plastics continues to operate from its original South Elgin site, supporting domestic and global customers from our U.S.-based production facility.
How do I choose the right injection molding company?

Choosing the right injection molding company depends on engineering capabilities, quality standards, production capacity and opportunities for long-term partnership alignment. When evaluating a custom injection molder, consider the following:

  • In-house engineering and DFM support.
  • Tooling and mold maintenance capabilities.
  • Quality certifications and inspection processes.
  • Experience in your specific industry.
  • Scalability with your production volumes.
  • Secondary services such as assembly and automation.

A qualified injection molder should function as a strategic partner – helping improve part design, reduce cost and ensure consistent production performance. At Hoffer, we’re guided by core values of family, integrity, service and trust to guide our partnerships, going All In to be an innovative, responsible injection molding partner to companies.
Does Hoffer Plastics manage tooling or do I need my own mold?

Hoffer Plastics supports customers throughout the entire tooling lifecycle, from early design for manufacturability (DFM) collaboration through production launch and ongoing maintenance. For new projects, our engineering team works closely with your team and experienced toolmaking partners to ensure molds are optimized for performance, durability and long-term production efficiency. If you already own molds, we specialize in evaluating, transferring and validating molds with a staff of 27 toolmakers and three on-site toolrooms.

Whether you bring us existing tooling or partner with Hoffer to develop new molds, we are committed to operating responsibly to maximize your investment in tooling with state-of-the-art manufacturing processes and rigorous preventative tooling maintenance that elevates quality while extending tool life.
How do you ensure consistent part quality?

Hoffer Plastics ensures consistent part quality through controlled processes, rigorous validation and ongoing production monitoring. We continually invest in our operations to drive efficiency and the highest levels of quality for all programs. From annual reinvestment in new injection molding machines to superior water system infrastructure to on-site co-generation to avoid power outages, we are committed to delivering consistent quality at scale.

Our team integrates engineering oversight, mold maintenance and process control to maintain repeatability from initial sampling through full-scale production. Quality efforts include documented process parameters, dimensional inspection, preventative maintenance programs and continuous improvement initiatives.

By managing engineering, tooling support and injection molding operations under one roof, Hoffer Plastics maintains tighter control over part performance, consistency and long-term reliability.
How do I get started with Hoffer Plastics?

Getting started with Hoffer Plastics begins with a conversation about your program, including your business, goals and timeline. To request a quote or initiate a project you can provide:

  • CAD files or part drawings.
  • Estimated annual volumes.
  • Material specifications (if known).
  • Target launch date.

Our engineering and project teams review your information, provide DFM feedback when needed and outline a clear path from tooling through production.

You can contact us here to speak with a team member to begin the process.