Plastic Beams | McMaster-Carr

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Fiberglass-Reinforced Plastic

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Electrically Insulating

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DFARS Specialty Metals

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10,000 psi to 30,000 psi

23,200 psi to 31,000 psi

24,000 psi

35,000 psi to 55,000 psi

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For Use Outdoors

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15,000 psi to 30,000 psi

25,000 psi to 70,000 psi

32,000 psi to 42,000 psi

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144 Products

About Composites

Structural FRP Fiberglass I-Beams

An alternative to wood in structural applications, FRP fiberglass is strong and lightweight.

Structural FRP Fiberglass 90° Angles

An alternative to wood in structural applications, FRP fiberglass is strong and lightweight.

Arc-Resistant GPO3 Fiberglass 90° Angles

Offering excellent arc and track resistance, this GPO3 fiberglass is often used for electrical applications in humid environments.

Flame-Retardant FRP Fiberglass 90° Angles

Made with a flame-retardant resin, this FRP fiberglass meets ASTM E84 Class A.

Arc-Resistant Garolite G-9 Angles

Machine these angles into arc barriers, switch mounts, and components for circuit breakers and electrical equipment. They resist carrying electric currents in dry or humid areas, even when exposed to sudden electric discharge.

Synthetic Wood

Get the look of wood without having to worry about splintering or rotting.

Lifting and Pulling

Hoist Trolleys

Transport hook-mount hoists along a beam.

Beam-Travel Hoist Cable Trolleys

Mount these trolleys to your existing beam to create a cable and hose travel system.

Industrial Battery Lifters

Lift forklift batteries and other large, heavy batteries.

Building and Machinery Hardware

Ceiling Tile Framing Covers

Instead of painting or replacing ceiling tile frames when they’re rusted and discolored, put these flexible PVC covers onto them for a clean appearance.

Ceiling Tile Frames

Use these components to design your own frame to support ceiling tiles.

Ceiling Tile Clips

Secure ceiling tiles or join ceiling tile frame components.

Ceiling Tile Wall Molding

Secure tile frames to the wall.

Corrosion-Resistant I-Beam Roller
Track for Doors and Curtains

Build your own system for hanging doors and curtains in marine environments. The track is anodized aluminum and the hangers are 316 stainless steel for corrosion resistance. Combine track, hangers, joints, and accessories for a complete system.