Plastics specialist Ensinger has developed a solution for reducing the impact of the bi-temperature effect (also called the bi-metal effect): The new insulating profile consists of two intermeshing parts which, in the event of differing linear expansion between the aluminium shells, move against each other.
“Our new bar has allowed us to create an adaptable insulation zone between the outer and inner shell of a metal door”, explains Matthias Rink, Sales Director for insulbar. “The intermeshing profile sections even out the temperature-related linear expansion. At the same time, the design provides high transverse tensile strength.”
The shear-free insulbar profile can be rolled up and laminated like a conventional insulating bar. It is available in different sizes between 20 and 42 mm. In the insulbar Finder, with Ensinger’s standard profiles, it is listed under the “Geometry” tab in the “Special applications” section.
Ensinger GmbH is among the world's leading developers and producers of insulating profiles for window, door and facade construction. The profiles marketed under the brand name insulbar® create a thermal separation between the inside and outside shells of metal frames. Insulation systems using insulbar profiles achieve optimum values in terms of energy savings and cutting the cost of heating and cooling. At the same time, insulbar profiles comply with the most stringent quality standards in every respect. They have been in successful operation around the world for over 30 years.
For more information, go to insulbar.com
The shear-free insulbar insulating profile from Ensinger evens out the temperature-related, differing linear expansion of the aluminium shells and ...
... simultaneously provides high transverse tensile strength.
Aluminium assembly with normal insulating profile: The large temperature difference causes the door to become deformed
Aluminium assembly with shear-free insulbar insulating profile: the flexible insulation zone evens out the differing linear expansion between the inner and outer shells effectively.
Shear-free insulbar insulating profile: The shear rigidity c is almost zero. Bending of the door is thus significantly minimised.
Ensinger GmbH
Press and PR Office insulbar® and Thermix®
Phone +49 7032 819 674
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