Rigid Insulation | McMaster-Carr

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Electrically Insulating

Wall Thickness

Density

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Insulation R Value

For Use On

Enclosures and Equipment

Heat Flow Rate @ Temperature

0.85 BTU/hr @ 1,000° F

1.2 BTU/hr @ 1,200° F

0.033 BTU/hr @ 1,470° F

0.31 BTU/hr @ 1,470° F

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Export Control Classification Number (ECCN)

RoHS

REACH

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

Yes

DFARS Specialty Metals

Exempt

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3,181 Products

Heating, Ventilation, and Air Conditioning

Pipe Insulation

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

340 products

Insulation Sheets

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

98 products

Raw Materials

Garolite

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

1,897 products

Fiberglass

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

159 products

Hard Fiber

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

62 products

Plastic

A lightweight alternative to metal and glass

7 products

Mica

An electrical insulator that resists high temperatures; use in circuit breakers and heating elements

117 products

Wood

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

7 products

Building and Machinery Hardware

Surface Guards

Protect walls and other flat surfaces from impact

53 products

Edge Trim

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

147 products

Corner Guards

Shield corners on walls and other surfaces from impact

111 products

Panel Connecting Trim

Connect two panels while protecting the edges from damage

33 products

Tubing Guards

Safeguard pipe, tubing, and other round equipment from impact

12 products

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

2 products

Door Drip Guards

Divert rain and snow away from door openings

10 products

Electrical Power, Networking, and Controlling

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

19 products

Heat-Shrink Tubing Splitters

Insulate and seal where wire splits off from cable; also known as breakout boots

16 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

87 products

Fabricating and Machining

Files

Debur, polish, and sharpen nearly any material

1 product

Picks

Hold, separate, and position small parts such as wire and springs

5 products