I'm working on replacing a steel door frame with a plastic one and looking for high stiffness plastic material which can sustain 50 lbs load without deflecting more than 5". I tried doing analysis on sides tubes of frame (80" long) using uPVC (extruded quality) and results were not so good. Nylon 6 30% glass filled did show better results but I'm looking for even better material, any suggestions?
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