These profiles are governed by globally recognized ASTM and ISO mechanical tests that enforce stringent dimensional and defect criteria. The pultrusion industry relies heavily on specific ASTM standards to establish material composition, dimensions, and mechanical tolerances for pultruded profiles.
Fiberglass reinforced plastic (FRP) pultruded profiles are high-strength, lightweight structural components created by continuously drawing glass fibers and resin through a heated die.
Basic terminology related to pultrusion is defined in ASTM D3918, which covers standard methods and test guidelines, as well as in ASTM D7745, the General Guide for Testing Composites by Fully Automatic Pultruded Machines.
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