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The Pultrusion Process
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This process allows us to produce continuous lengths of fiber-reinforced polymer profiled shapes. First, fiberglass in the form of continuous roving filaments or fiber bundles is drawn though the liquid resin, which saturates the glass reinforcement.
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This combination of resin and glass is then pulled through a special die using a continuous pulling device. The mass of materials conforms to the shape of the die and is heat-set into a permanent, structurally reinforced shape. The resulting high-strength profile is cut to length -- ready for use when it leaves the pultrusion machine. Pultruded products provide manufacturers and designers with the benefits of high strength-to-weight ratios, corrosion resistance, heat resistance, dielectric properties, dimensional stability and weatherability. In the end, pultruded products are a cost effective and versatile alternative to traditional materials.
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