Composite Materials | McMaster-Carr

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Aluminum Nitride Ceramic

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Electrical Insulating

Highly Corrosion Resistant

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REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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Tensile Strength

6,000 psi to 10,000 psi

6,000 psi to 15,300 psi

6,670 psi

7,000 psi to 10,000 psi

7,000 psi to 30,000 psi

7,000 psi to 40,000 psi

8,000 psi to 23,900 psi

8,700 psi

9,000 psi to 21,000 psi

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3,224 Products

Raw Materials

Garolite

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

1,991 products

Fiberglass

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

441 products

Carbon Fiber

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

316 products

Aramid

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

6 products

Kevlar

Super tough for protection against prolonged wear and abrasion

11 products

Hard Fiber

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

79 products

Aluminum

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

12 products

Plastic

A lightweight alternative to metal and glass

22 products

Additives and Fillers

Mix into coatings, resins, polymers, and metal to boost strength, conductivity, and lubricity

23 products

Fabric

Use to cover, clean, and insulate objects

80 products

Carbon

An electrical conductor that’s often used in electronics and sensors

18 products

Wood

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

67 products

Graphite

Compressible or conductive for making high-temperature seals, furnace parts, and crucibles

80 products

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

11 products

Electrical Power, Networking, and Controlling

Circuit Boards

Create your own circuit board designs by adding components

50 products

Fastening and Joining

Threaded Rods

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

6 products

Building and Machinery Hardware

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

12 products