Filament Winding is an open molding process. Fiber glass rovings are pulled through a bath of catalyzed
resin and impregnated. The resin impregnated rovings are wound under tension onto a cylindrical mandrill.
The composite material cures and the mandrill is removed. Filament Winding is used to make high strength, hollow, and typically columnar composites, such as pipe and storage tanks.
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