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The answer is thermoset injection molding is quite similar to traditional injection molding with thermoplastics. Thermoset materials such as phenolics are gathered in a material hopper, and then fed through a hot screw and barrel at around 170F-240F depending on the material formulation. The material is injected into an even hotter mold (around 350F) via sprue and runner system, feeding the cavity or cavities and filling the molded part. Other thermoset materials such as Bulk Molding Compounds (BMCs), which are unsaturated polyesters and vinyl esters are fed to the screw and barrel using a hydraulic stuffer ram, and injected, molded, and cured the same way as phenolics.

Arterex’s senior leadership has been together building successful Medical Device manufacturing companies for over twenty-five years.

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“We are excited to bring to our customers in North America and Europe the benefits of having a reliable global provider of specialized and multi-capability manufacturing solutions. The combination of our people and capabilities is great news for our existing and future customers in the medical device manufacturing sector, in which we are proud to play a key role.”

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Our companies in Europe and North America combine design, development, engineering, compounding, extrusion, injection molding, tooling and mold builds, and advanced assembly capabilities. This allows us to produce a broad range of products, from components all the way up to class III medical devices and implantables for our global and regional OEM customers. Our customers are world leaders in medical device and life-sciences innovation.

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Many of our customers or prospective customers ask about thermoset molding. What is it? Can you injection mold thermosets? How does it differ from thermoplastic injection molding (ie, nylon, ABS, PP)? How does it process?

We are excited to bring to our customers in North America and Europe the benefits of having a reliable provider of specialized and multi-capability medical device manufacturing solutions.