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Fiberglass Pultruded Profiles are not new. The first patents for pultrusions were issued in 1946. Since then, INLINE FIBERGLASS has been granted International Patents related to the Fiberglass Pultrusion and the Fabrication and Assembly of Fiberglass Fenestration Products.
The entry of Fiberglass into the fenestration Industry (doors and windows), came about with the ability to maximize the Glass Content. The high glass content and polymer matrix increased the physical properties, including strength. With higher glass content, engineers and designers are able to thin down the wall thickness (as low as 0.07") while still maintaining designed strength.
Design potentials are limited only by the requirement that the shape be constant over the length of the profile. The high glass content improved many of the properties by stabilizing the resins. Lineal Profiles of intricate shapes are achieved with a new inert material with tight tolerances and mechanical properties rivaling metal.
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