Liberty Pultrusions

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West Mifflin, PA  |  412-466-8611

Our business, for 35+ years, has produced fiberglass reinforced pultrusions in custom or stock shapes. Some of our pultruded fiberglass products include structural shapes, electrical shapes, fiberglass rod and tubing that are used for cooling towers, structural supports and more.

Fiberglass Fabrication Power Pages

Fiberglass Molding

Fiberglass Molding

Fiberglass molding is a method for forming complex and intricate parts using fiberglass resin. Though there are several reasons for producing parts and components from fiberglass, the most pressing reasons are the...

Fiberglass Sheets

Fiberglass Sheets

Fiberglass is a plastic reinforced material where glass fiber is used as reinforcement, and the glass fiber is flattened into a sheet. It is also known as glass fiber reinforced plastic or glass reinforced plastic...

Rotational Molding

Rotational Molding

Rotational molding, commonly referred to as "rotomolding", is a plastic casting technique used to produce hollow, seamless, and double-walled parts. It uses a hollow mold tool wherein the thermoplastic powdered resin is heated while being rotated and cooled to solidify...

Plastic Molding Processes
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