Ensinger has developed a new technical solution for the powder coating of insulbar window and door profiles. The innovative ESPOC technology (Electrostatic Potential Optimized Coating) is based on a thin, electrically conductive layer which can be applied both to standard insulating profiles and customised profile designs.
Regardless of the moisture content of the profiles treated with ESPOC, the electrostatic attraction of the powder remains at constantly high level during the coating process. As a result, optimum coating can be achieved even on dry profiles, and the “blistering effect” can be eliminated. “By preventing the formation of bubbles in the coating process, the quality of the finish on window and door profiles can be significantly improved”, explains Matthias Rothfuss, Head of insulbar Application Engineering, Product Management & Marketing. “With the ESPOC method, both aluminium-plastic assembled profiles and individual polyamide insulating bars can be optimally coated, resulting in an outstanding appearance in both cases.”
The coating is based on an innovative technology and stands out for its chemically stable, firmly adhering surface. This characteristic permits the uniform powder coating even of complex geometries such as protrusions and undercuts.
The recyclability of the plastic profile material is not negatively affected by the coating. Hence the technology combines a high-quality look and technical functionality with environmental compatibility and sustainability.
In October, Ensinger received the Cham district’s innovation award in recognition of its development of ESPOC technology, for which a patent application has been filed.
Visitors to the leading international trade fair BAU (Munich, 13 -17 January 2025) can find Ensinger in Hall B1. At Stand 438, the insulbar business division will be presenting the ESPOC technology and additional innovations for the window and door market.
Ensinger GmbH is one of the world’s leading developers and producers of thermal insulating profiles for window, door and facade construction. The profiles marketed under the brand name insulbar® create a thermal barrier between the inner and outer shells of metal frames. Insulation solutions using insulbar® profiles achieve the best values in terms of energy savings and reduced heating and air conditioning costs, while complying with the most stringent quality standards in every respect. They have been in successful application the world for more than 40 years.
For more information, go to insulbar.com
Metal window assembly with coated insulbar profiles. Even with complex geometries, ESPOC enables perfect coating results (Image: Ensinger)
The energy-efficient insulbar insulating profiles satisfy the increasing demands placed on architectural design, even when it comes to fine details. The ESPOC technology permits uniform powder coating – regardless of the profile’s shape (Image: Ensinger)
Regardless of the moisture content of the profiles treated with ESPOC, the attraction of the powder remains at a constantly high level during the coating process. An optimum coating result can be achieved even with dry profiles and the "blistering effect" (formation of bubbles in the coating process) can be eliminated (Chart: Ensinger)
Recognition for insulbar with ESPOC at Roding municipal hall. Ensinger received the Cham district’s innovation award for its development of this new technology (Photo: Landratsamt Cham)
Ensinger GmbH
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