Insulation Boards | McMaster-Carr

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Electrically Insulating

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Rock Wool/Mineral Fiber/Clay/Filler

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For Use On

Enclosures and Equipment

Freezers

Ovens and Furnaces

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

1.7 BTU/hr @ 1,500° F

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

Flammability Rating

ASTM Flammability Rating

UL 94 V-0

Maximum Facing Temperature

Facing Color

Minimum Facing Temperature

Sound Absorbed

Noise-Reduction Coefficient (NRC)

189 Products

Thermal Insulation Sheets

Abrasion-Resistant Rigid Calcium Silicate Thermal Insulation Sheets

Withstand high temperatures in power-generating applications

23 products

Moisture-Resistant Low-Temperature Rigid Polystyrene Foam Thermal Insulation Sheets

Resist the absorption of water, air, and gas in cold-storage applications

9 products

Rigid Fiberglass Thermal Insulation Sheets for Ducts

Insulate rectangular ductwork from temperatures up to 450° F

13 products

Crack-Resistant Rigid Polyimide Thermal Insulation Sheets

Withstand heavy compression so they won't crack

10 products

Shock-Resistant Ceramic Fiber Thermal Insulation Sheets for Furnaces

Designed to resist shrinking at fluctuating high temperatures

2 products

Ultra-Thin Rigid Millboard Thermal Insulation Sheets for Furnaces

Thinner than most rigid insulation for furnaces and other high-heat applications

9 products

Low-Temperature Rigid Cork Thermal Insulation Sheets

Resist temperatures below 32° F, such as in cold-storage applications

5 products

Impact-Resistant Low-Temperature Rigid PVC Foam Thermal Insulation Sheets

Absorb impact and restrict the absorption of water, air, and gas

10 products

Rigid Graphite Thermal Insulation Sheets for Furnaces

Insulate high-vacuum furnaces and other low-oxygen vacuum enclosures

8 products

Rigid Silica High-Efficiency Thermal Insulation Sheets for Furnaces

Our most efficient rigid high-temperature insulation sheets

5 products

Moldable Ceramic Thermal Insulation Sheets for Furnaces

Wet these sheets to change their shape, then apply heat to re-harden them

4 products

Other Products

Fiberglass

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

89 products

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

2 products