Composite Bars | McMaster-Carr

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	Thickness Thickness

	Width Width

	Length Length

	Shape Shape


Sheet and Bar	Rectangular Tube

90° Angle	Rod and Disc

I Beam	U Channel

Half Round	Round Tube

	Material Material

	Grade Grade

	Performance Properties Performance Properties

Chemical Resistant

Electrical Insulator

High Temperature

Impact Resistant

Low Water Absorption

Weather Resistant

	Color Color

	Green		Black
	Red		Yellow
	Gray		White
	Blue		Brown
	Off-White

	For Use Outdoors For Use Outdoors

	Impact Strength Rating Impact Strength Rating

	Texture Texture


Smooth	Coarse

	Tensile Strength Rating Tensile Strength Rating

	Electrical Insulation Rating Electrical Insulation Rating

	Diameter Diameter

	Reinforcement Material Reinforcement Material

Fabric

	Flexural Strength Flexural Strength

10,000-60,000 psi

14,000-29,300 psi

15,000-19,000 psi

15,400-19,700 psi

16,000-29,000 psi

17,200-23,200 psi

20,900-25,800 psi

23,200-31,000 psi

25,000-34,000 psi

45,000-55,000 psi

45,000-60,000 psi

50,200-60,400 psi

59,600-76,700 psi

89,000-174,000 psi

	Water Absorption Rating Water Absorption Rating

	Tolerance Rating Tolerance Rating

	Impact Strength Impact Strength

0.35-0.55 ft.-lbs./in.

0.8-1.25 ft.-lbs./in.

1.4-1.7 ft.-lbs./in.

1.8-2.5 ft.-lbs./in.

4-30 ft.-lbs./in.

5.5-9.5 ft.-lbs./in.

5.5-12 ft.-lbs./in.

6.5-19.1 ft.-lbs./in.

7-15.3 ft.-lbs./in.

8.2-12 ft.-lbs./in.

9-22.7 ft.-lbs./in.

15 ft.-lbs./in.

	Compressive Strength Compressive Strength

14,000-70,000 psi

15,000-35,000 psi

18,000-39,000 psi

22,600-36,000 psi

32,000-42,000 psi

32,900-63,000 psi

35,000-66,000 psi

35,000-68,000 psi

39,000-65,000 psi

44,800-45,000 psi

45,000-70,000 psi

75,000-128,000 psi

	OD OD

	Wall Thickness Wall Thickness

	Resin Material Resin Material

Plastic

Rubber

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Fiberglass

Structural FRP
Fiberglass Square Tubes

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

Structural FRP Fiberglass
Sheets, Bars, and Strips

Structural FRP Fiberglass Sheets, Bars, and Strips

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.

Structural FRP Fiberglass I-Beams

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

Structural FRP Fiberglass Rods

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

Structural FRP
Fiberglass Round Tubes

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

Structural FRP Fiberglass U-Channels

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.

Arc-Resistant GPO3
Fiberglass Sheets and Strips

Arc-Resistant GPO3 Fiberglass Sheets and Strips

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

Arc-Resistant GPO3
Fiberglass U-Channels

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

Arc-Resistant GPO3 Fiberglass Tubes

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

Arc-Resistant GPO3 Fiberglass Rods

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

Flame-Retardant FRP
Fiberglass Sheets and Bars

Flame-Retardant FRP Fiberglass Sheets and Bars

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

Flame-Retardant FRP
Fiberglass 90° Angles

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

High-Temperature FRP Fiberglass

With more than twice the heat tolerance of standard FRP fiberglass, this material withstands temperatures up to 370° F.

Chemical-Resistant FRP Fiberglass

This FRP fiberglass is made with a chemical-resistant resin that stands up to harsh environments.

Garolite

Multipurpose Flame-Retardant
Garolite G-10/FR4 Sheets and Bars

Multipurpose Flame-Retardant Garolite G-10/FR4 Sheets and Bars

A good all-around choice, Garolite G-10/FR4 is strong, machinable, and electrically insulating. It meets UL 94V0 for flame retardance.

Multipurpose Flame-Retardant
Garolite G-10/FR4 Discs

Multipurpose Flame-Retardant Garolite G-10/FR4 Discs

A good all-around choice, Garolite G-10/FR4 is strong, machinable, and electrically insulating. It meets UL 94V0 for flame retardance.

Multipurpose Flame-Retardant
Garolite G-10/FR4 Angles

A good all-around choice, Garolite G-10/FR4 is strong, machinable, and electrically insulating. It meets UL 94V0 for flame retardance.

Multipurpose Flame-Retardant
Garolite G-10/FR4 Rods

A good all-around choice, Garolite G-10/FR4 is strong, machinable, and electrically insulating. It meets UL 94V0 for flame retardance.

Multipurpose Flame-Retardant
Garolite G-10/FR4 Tubes

A good all-around choice, Garolite G-10/FR4 is strong, machinable, and electrically insulating. It meets UL 94V0 for flame retardance.

Arc-Resistant Garolite G-9 Rods

Frequently called electrical-grade Garolite, this Garolite G-9 is strong, electrically insulating, and arc resistant in dry environments.

Arc-Resistant Garolite G-9 Sheets

Frequently called electrical-grade Garolite, this Garolite G-9 is strong, electrically insulating, and arc resistant in dry environments.

High-Temperature Garolite G-11 Rods

Offering higher strength and better heat resistance than Garolite G-10/FR4, Garolite G-11 is suitable for continuous use in elevated temperatures.

Economical Garolite CE Rods

Garolite CE is often fabricated into parts where high strength is not required.

Ultra-High-Temperature
Arc-Resistant Garolite G-7 Sheets

Ultra-High-Temperature Arc-Resistant Garolite G-7 Sheets

Garolite G-7 withstands temperatures up to 425° F—higher than any other grade of Garolite. While not as strong as Garolite G-9, it offers better arc resistance in dry environments.

Halogen-Free Garolite G-10 Rods

Use Garolite G-10 in place of Garolite G-10/FR4 for applications that are sensitive to halogen, such as in nuclear plants. It's strong, machinable, and electrically insulating.

Halogen-Free Garolite G-10 Tubes

Use Garolite G-10 in place of Garolite G-10/FR4 for applications that are sensitive to halogen, such as in nuclear plants. It's strong, machinable, and electrically insulating.

High-Temperature
Garolite G-11 Sheets

High-Temperature Garolite G-11 Sheets

Offering higher strength and better heat resistance than Garolite G-10/FR4, Garolite G-11 is suitable for continuous use in elevated temperatures.

Economical Electrical-Insulating
Garolite XX Sheets and Strips

Economical Electrical-Insulating Garolite XX Sheets and Strips

Stronger than Garolite CE with better electrical-insulating properties, Garolite XX is often fabricated into low-cost electrical components.

Impact-Resistant Garolite E-Glass

Impact-Resistant Garolite E-Glass

A combination of high impact strength and extreme hardness makes Garolite E-glass very difficult to penetrate. It is often used for machine guards.

Easy-to-Machine Garolite LE Tubes

Using nothing more than standard high-speed steel tooling, Garolite LE can be machined into intricate parts.

Halogen-Free Garolite
G-10 Sheets and Bars

Halogen-Free Garolite G-10 Sheets and Bars

Use Garolite G-10 in place of Garolite G-10/FR4 for applications that are sensitive to halogen, such as in nuclear plants. It's strong, machinable, and electrically insulating.

Slippery Conductive Garolite CE

Slippery Conductive Garolite CE

Graphite is added to this Garolite CE to provide a slippery surface that reduces friction and makes this material conductive.

Electrically Conductive
Garolite Glass Carbon

Use this Garolite glass carbon to divert static charges that can damage equipment.

Easy-to-Machine Garolite
LE Sheets and Strips

Easy-to-Machine Garolite LE Sheets and Strips

Using nothing more than standard high-speed steel tooling, Garolite LE can be machined into intricate parts.

Economical Electrical-Insulating
Garolite XX Tubes

Stronger than Garolite CE with better electrical-insulating properties, Garolite XX is often fabricated into low-cost electrical components.

Ultra-High-Temperature
Arc-Resistant Garolite G-7 Rods

Garolite G-7 withstands temperatures up to 425° F—higher than any other grade of Garolite. While not as strong as Garolite G-9, it offers better arc resistance in dry environments.

Economical Garolite CE Tubes

Garolite CE is often fabricated into parts where high strength is not required.

Economical Electrical-Insulating
Garolite XX Rods

Stronger than Garolite CE with better electrical-insulating properties, Garolite XX is often fabricated into low-cost electrical components.

Easy-to-Machine Garolite LE Rods

Using nothing more than standard high-speed steel tooling, Garolite LE can be machined into intricate parts.

Economical Garolite CE Sheets

Economical Garolite CE Sheets

Garolite CE is often fabricated into parts where high strength is not required.

Carbon Fiber

Ultra-Strength Lightweight
Carbon Fiber Sheets and Bars

The strongest composite we offer, carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.

Ultra-Strength Lightweight
Carbon Fiber Rods

The strongest composite we offer, carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.

Ultra-Strength Lightweight
Carbon Fiber Square Tubes

The strongest composite we offer, carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.

Ultra-Strength Lightweight
Carbon Fiber Round Tubes

The strongest composite we offer, carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.

Ultra-Strength Lightweight Carbon
Fiber Sheets with Foam Core

A layer of foam is sandwiched between two pieces of carbon fiber to make a featherweight material that's even lighter than standard carbon fiber.

Ultra-Strength Lightweight
Carbon Fiber Half Rounds

The strongest composite we offer, carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.

Hard Fiber

Easy-to-Machine Hard Fiber Sheets

Easy-to-Machine Hard Fiber Sheets

Hard fiber is the easiest composite to machine, making it good for creating custom parts. Also known as vulcanized fiber.

Easy-to-Machine Hard Fiber Rods

Hard fiber is the easiest composite to machine, making it good for creating custom parts. Also known as vulcanized fiber.

Easy-to-Machine Hard Fiber Tubes

Hard fiber is the easiest composite to machine, making it good for creating custom parts. Also known as vulcanized fiber.

Electrically Insulating Hard Fiber

Also known as fishpaper.

Create-Your-Own Composites

Create-Your-Own Composites

Mold custom-shaped composite parts by layering your choice of fabric with an epoxy.

Composite Material Selector Packs

Composite Material Selector Packs

Each pack includes one 2" square of GPO3 fiberglass and Garolite XX, CE, LE, G-7, G-9, G-10, and G-11.

Kevlar

Wear-Resistant Kevlar Sheets

Wear-Resistant Kevlar Sheets

Kevlar is a super-tough material that stands up to wear and abrasion.

Wear-Resistant Kevlar Tubes

Kevlar is a super-tough material that stands up to wear and abrasion.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)