Plastic deflashing with Rosler: Perfection lies in the details

Improved component durability through automated surface finishing

Functional components made of Duroplast and Thermoplast are typically exposed to high amounts of stress, such as; parts for engines, belt pulleys, fuel pump parts, semiconductors and lead frames. Decorative plastic parts, such as light switches or pan handles require a gentle finish that is both durable and esthetically appealing, while remaining highly functional and inexpensive.

Expert advice, from the start. The Rosler group has a long and successful history in plastic deflashing. For over 50 years, Rosler Switzerland, formerly Hunziker, has developed innovative solutions for the deflashing of Duroplast and Thermoplast parts, making Rosler one of the most trusted names in the field of plastic deflashing.


In Rosler’s duroplast testing center in Switzerland, we can process your components for you in order to develop the optimal blasting solution for you application needs. This serves as the basis for the design and production of your application.

A wide selection of consumables rounds out Rosler’s plastic deflashing portfolio. In cooperation with Swiss company Emsodur, we offer polyamide, polycarbonate, nutshells and duroplastic blasting agents. To maximize post production cleanliness, we also offer separate sandblasting and cleaning stations.