Wisconsin Thermoset Molding Inc.From left, Mike Byrne, vice president of operations, and CEO Boyd Miller join Technical Director Bob Uhren and Vice President Andy Stroh of Wisconsin Thermoset in evaluating a medium-sized composite molded part.

Two Wisconsin thermoset molders have merged.

Wisconsin Thermoset Molding Inc. and Rose Polymer Composites LLC will continue to run their respective plants in Milwaukee, the firms announced Jan. 14, but they plan to consolidate under one roof in three to five years.

“(Wisconsin Thermoset) has traditionally been a low-volume, high mix molder for small to medium-sized parts,” explained Wisconsin Thermoset vice president Andy Stroh in a news release. “Rose Polymer Composites is one of just a few companies in the industry dedicated to compression molding large parts.”

Stroh said the combined businesses will be better able to customize components from concept and prototyping to production.

Wisconsin Thermoset’s processes include injection molding, compression molding and resin transfer/compression molding. It runs 24 presses with clamps pressures ranging from 70 to 600 tons.

Rose Polymer compression molds a range of thermosets, including bulk and sheet molding compounds, phenolics, epoxies, melamine and diallyl phthalate.

Stroh stated that the merged businesses will increase capital investment aimed at advanced materials, better prototyping, faster processing, more finishing capabilities and new services such as parts assembly.

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