Independent Plastics Engineering Consulting
Engineering a Brighter Material World.
The Polymer Group provides independent engineering consulting in materials selection, product design, surface decoration, and processing optimization. We help manufacturers solve complex challenges and bring better plastic products to market.
Practical engineering support across the full life of a plastic part — from material selection through production.
Polymer and compound selection based on mechanical performance, chemical resistance, thermal requirements, appearance, processability, and cost. We support material substitutions, benchmarking, application requirements definition, and qualification planning.
Review of wall thickness, ribs, bosses, radii, structural features, tooling considerations, dimensional stability, and manufacturing risks. We support design for manufacturing and molded-part failure investigation.
Support for color, gloss, texture, painting, printing, in-mold decoration, and laser marking. We help troubleshoot appearance issues, define lighting and evaluation conditions, and align material, process, and finished part.
Systematic troubleshooting via scientific injection molding, extrusion, blow molding, and thermoforming. We support defect assessment, processing-condition reviews, focused trials, and validation.
Engineering support shaped around the requirements and realities of each market.
Support for interior, exterior, and under-hood plastic components — material selection, appearance consistency, dimensional stability, and processing robustness under demanding production conditions.
Engineering guidance for polymer components where weight, thermal performance, and material qualification documentation matter. We support requirements definition and test planning.
Enclosures, connectors, and precision components where moldability, dimensional control, and surface quality drive success. We help balance appearance and performance requirements.
Products where appearance, feel, and durability shape the customer experience. We support color and texture consistency, material selection, and design for high-volume manufacturing.
Rigid and flexible packaging where processing speed, barrier and mechanical performance, and appearance must align. We support material evaluation and process troubleshooting.
The Polymer Group is an independent consulting practice focused on plastics engineering challenges from concept through production. We connect material science, product design, surface aesthetics, and manufacturing to develop practical recommendations grounded in application requirements and production realities.
Founded by Justin Hindo, a plastics engineering professional with a B.S. in Plastics Engineering from Ferris State University.
A structured, transparent path from problem to production-ready solution.
Define objectives, application requirements, constraints, and failure modes.
Evaluate materials, geometry, processing conditions, and available test data.
Recommend improvements and develop a focused trial or validation plan.
Review results, refine recommendations, and support implementation.
Concise, technically grounded notes on common plastics engineering challenges.
Why combinations of stress and chemical exposure crack parts that pass every individual test — and how to evaluate ESC risk early.
How differential shrinkage, orientation, and cooling asymmetry drive warp in molded parts, and practical levers for controlling it.
Why the same colorant can look different across lots, resins, and processes — and how lighting and evaluation conditions shape what customers see.
Yes. Part failures and defects are a core part of our practice. We start by understanding the part, material, process, and history of the issue, then evaluate the likely contributing factors and recommend a focused path to root cause — which may include review of processing conditions, part and tooling design, material data, and targeted testing.
Yes. Early involvement is often the most valuable time to engage. We help define application requirements, screen candidate materials, review part designs for manufacturability, and plan qualification work before commitments in tooling or material are locked in.
Our experience centers on injection molding, extrusion, blow molding, and thermoforming. If your process falls outside these areas, contact us — we will tell you plainly whether we can help.
Scope, deliverables, timing, and fees are agreed before work begins, so there are no surprises. Engagements range from focused reviews and troubleshooting to ongoing advisory support, shaped around the problem at hand.
A clear description of the part or problem, the material and process involved, and what a successful outcome looks like for you. From there we agree on scope and next steps together.
Tell us about your application, challenge, or material question. We will respond to set up a conversation.