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Environmental Effects on Properties of Composites Fiberglass Fabric (2)

A rain erosion resistant finish is often included, and the study of rain erosion must consider the speed, angle of impact, frequency, fiberglass fabric and mass of the drops. It is concluded by a real time weathering study that the leading edge cap retained 68% of its original strength, showing the worst degradation effects. A 100% retention in tensile strength and 93% in tensile modules for the bottom skin where the paint had remained intact was shown for fiberglass fabric style 181. Standard epoxy resins with graphite reinforcement should not be exposed above 260 F, but polyimide resins can be used.