Fiber Stock | McMaster-Carr

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Electrically Insulating

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2,000 psi to 3,100 psi

2,500 psi

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6,000 psi to 10,000 psi

For Use Outdoors

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4,384 Products

Raw Materials

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

1,973 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

444 products

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

315 products

Fabric

Use to cover, clean, and insulate objects

138 products

Kevlar

Super tough for protection against prolonged wear and abrasion

10 products

Plastic

A lightweight alternative to metal and glass

28 products

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

45 products

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

80 products

Felt

Thicker and more absorbent than fabric for insulating, polishing, cushioning, and gasketing

893 products

Aramid

Strong, lightweight, and an excellent thermal insulator; also known as Nomex

10 products

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

12 products

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

158 products

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

27 products

Fabricating and Machining

3D Printer Filaments

Run through filament 3D printers to form plastic parts

21 products

Electrical

Circuit Boards

Create your own circuit board designs by adding components

50 products

Communication

Tags

Hang throughout facilities to convey information

11 products

Containers, Storage, and Furniture

Wall-Covering Panels

Attach to wallboard, masonry, and studs for a textured surface that resists impact and mold

2 products

Heating, Ventilation, and Air Conditioning

Heat Barriers

Protect equipment and surfaces from damage caused by nearby heat sources

16 products

Pipe Insulation Repair Strips

Patch and protect damaged pipe insulation

3 products

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

16 products

Thermal Insulation Sheets

Line the walls of furnaces, freezers, ductwork, and buildings to keep heat in or out

64 products

Building and Machinery Hardware

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

1 product

Fastening and Joining

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

34 products

Safety Equipment

Sound Barrier Sheets

Block and reflect noise to keep it from reaching other parts of your facility

3 products

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

17 products