901 Geneva Parkway N

Lake Geneva, WI 53147 USA

262-249-5620

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Plastic Injection Molding for Wisconsin

Midwest Precision Molding (MPM Plastics) has been a leading provider for plastic injection molding for Wisconsin for over 40 years. MPM Plastics was purchased in 2015 by plastics-industry experts Larry and Joanne Austin, who have been in the plastic business for over 30 years. Recently added to the plastics family is the Darien, Wisconsin-based company Tri-Tec Corporation.

Mr. Austin aims to not only grow the companies, but to work with existing customers to continue to be the preferred plastic molding injection provider in Wisconsin.  

“We want to be partners with our customers in any area that adds value to our partnership, to grow our business and create jobs in the United States,”  stated Austin.

What's New with MPM Plastics?

Plasti-Coil Makes The Name Change To Midwest Precision Molding (MPM Plastics)

Plasti-Coil Tri-Tech Corporation has undergone a complete rebrand and changed its name to Midwest Precision Molding (MPM Plastics). This change was made effective on January 1, 2021. Wisconsin’s leading provider of plastic injection molding for nearly 40 years, MPM Plastics is excited to continue its tradition of excellence, precision and client satisfaction in the great

Wisconsin Plastic Injection Molded Medical Gears

Tri-Tec Corporation is a leading producer of plastic injection molded medical gears in Wisconsin. We specialize in custom molded plastic parts, including the design of plastic molded parts, production of these parts in Tri-Tec’s plastic molding facility. Our team of experts works to ensure proper optimization of gears and precision component parts.

Beaumont, Plasti-Coil Team Up to Solve Injection Molding Challenges

ERIE, PA— Sometimes, the costs you avoid can be more impactful than those you incur. This was the case for Plasti-Coil, a family owned injection molder in Lake Geneva, Wisconsin, known for successfully molding tight tolerance and high-precision parts. Plasti-Coil was experiencing a large variation in part fill on a 16 cavity mold. The runner

Max/Full Crystallinity in Injection Molding: What, How & Why?

Got Crystallinity? As custom injection molders of coil bobbins, we at Plasti-Coil are often required to produce parts to “max” or “full” crystallinity. What exactly does that mean? Well, it doesn’t mean that we are required to produce parts that are 100% crystalline by weight. That’s not possible and even if it were, it wouldn’t

Coil Winding Bobbins Example - Plasti-Coil

Coil Winding Bobbins

Since MPM Plastic’s beginning, coil winding bobbins have been at the core of our business. Partnering with hundreds of manufacturers over the years has elevated us to “Experts” in the realm of custom bobbins. Read More….

Terminal Pin Insertion Example - Plasti-Coil

Terminal Pin Insertion

At MPM Plastic, not only do we produce millions of plastic injection molded bobbins annually, but provide many secondary operations such as terminal and pin insertion. We operate many specialized machines that makes this process possible. Read More…

Insert Overmolding Example - Plasti-Coil

Insert Overmolding

Plastic insert molding is a custom molding process where plastic is injected into the mold to encapsulate (either fully or partially) a part that was placed into the mold just prior to the injection of plastic. Read More…

Custom Molded Plastics Example - Plasti-Coil

Molded Plastics

At MPM Plastic, “custom” is an everyday term in what we achieve for our customers. When it comes to custom plastic molders, we are simply the best!

Read More…

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