Overview
Pultrusion is a continuous process for the manufacture of composite structures. Parts feature a constant cross-section and are made by pulling continuous reinforced fibers through a resin bath, optionally followed by a separate preforming system, and into a heated die, where the resin undergoes polymerization as the reinforcements are pulled through the die. Resin types typically include polyester, polyurethane, vinyl ester and epoxy. Pultrusion is particularly effective in production of long, relatively narrow parts used as reinforcing members or ribs in a larger structure.
High-pressure pultrusion process creates polyurethane composite sheet pile system with the strength and stiffness to compete with steel.
Pultruded windows: Rising high? 5/31/2012 Composites TechnologyNew pultrudable glass fiber/resin formulations enable window manufacturers to break in to commercial architecture and build market share in residential construction.
A hidden revolution: FRP rebar gains strength 12/1/2011 Composites TechnologyFiber-reinforced plastics replacing coated steel in more reinforced-concrete applications.
Small wind gets big 8/1/2011 Composites TechnologyMassive growth, complex blade designs reopen challenging market in wind energy niche.
New filament to make composites "smart" 1/1/2011 Composites TechnologyCW Conferences director Scott Stephenson premiers a showcase for new ideas overheard at CW Conferences.
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