Ovens and Furnaces Fillers | McMaster-Carr

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Thickness

Maximum Temperature

Less than 500° F

500° F to 999° F

1,000° F to 1,999° F

2,000° F to 2,999° F

3,000° F or greater

Flexibility

Width

Length

Insulation Type

Sheet and Strip

Material

Calcium Silicate

Rock Wool/Mineral Fiber/Clay/Filler

Backing Type

Color

Insulation R Value

Heat Flow Rate @ Temperature

0.22 BTU/hr @ 75° F

0.23 BTU/hr @ 75° F

0.24 BTU/hr @ 75° F

0.26 BTU/hr @ 75° F

0.8 BTU/hr @ 75° F

0.81 BTU/hr @ 750° F

0.43 BTU/hr @ 800° F

0.57 BTU/hr @ 800° F

0.65 BTU/hr @ 800° F

0.7 BTU/hr @ 800° F

0.71 BTU/hr @ 800° F

0.73 BTU/hr @ 800° F

0.75 BTU/hr @ 800° F

0.78 BTU/hr @ 800° F

0.8 BTU/hr @ 800° F

0.96 BTU/hr @ 800° F

1 BTU/hr @ 800° F

1.05 BTU/hr @ 800° F

Performance

Abrasion Resistant

Crack Resistant

Flame Resistant

High Efficiency

Moisture Resistant

Shock Resistant

Thermally Stable

Minimum Temperature

-250° F or less

-249° F to -100° F

0° F to 999° F

RoHS

REACH

DFARS Specialty Metals

Cell Type

Export Control Classification Number (ECCN)

Flammability Rating

ASTM Flammability Rating

UL Flammability Rating

Facing Material

Maximum Facing Temperature

Facing Color

Reinforcement Location

Minimum Facing Temperature

How can we improve?

148 Products

Thermal Insulation Sheets

Shock-Resistant Ceramic Fiber Thermal Insulation Sheets for Furnaces

Shock-Resistant Ceramic Fiber Thermal Insulation Sheets for Furnaces

Designed to resist shrinking at fluctuating high temperatures

Ceramic Fiber Thermal Insulation Sheets for Furnaces

Ceramic Fiber Thermal Insulation Sheets for Furnaces

Your go-to flexible, high-temperature sheets for insulating furnaces

Abrasion-Resistant Rigid Calcium Silicate Thermal Insulation Sheets

Abrasion-Resistant Rigid Calcium Silicate Thermal Insulation Sheets

Withstand high temperatures in power-generating applications

Rigid Mineral Wool Thermal Insulation Sheets

Rigid Mineral Wool Thermal Insulation Sheets

Resist compression in oven and power-generating applications

Acid-Resistant Silica Thermal Insulation Sheets for Furnaces

Acid-Resistant Silica Thermal Insulation Sheets for Furnaces

Resist corrosive acids in furnaces and engine compartments

Crack-Resistant Rigid Polyimide Thermal Insulation Sheets

Crack-Resistant Rigid Polyimide Thermal Insulation Sheets

Withstand heavy compression so they won't crack

Thermally Stable Composite Paper Thermal Insulation Sheets

Thermally Stable Composite Paper Thermal Insulation Sheets

The flexible composite paper won't shrink or lose shape in high temperatures

Ultra-Thin Rigid Millboard Thermal Insulation Sheets for Furnaces

Ultra-Thin Rigid Millboard Thermal Insulation Sheets for Furnaces

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

Rigid Graphite Thermal Insulation Sheets for Furnaces

Rigid Graphite Thermal Insulation Sheets for Furnaces

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

Rigid Silica High-Efficiency Thermal Insulation Sheets for Furnaces

Rigid Silica High-Efficiency Thermal Insulation Sheets for Furnaces

Our most efficient rigid high-temperature insulation sheets

Graphite Thermal Insulation Sheets for Furnaces

Graphite Thermal Insulation Sheets for Furnaces

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

Moldable Ceramic Thermal Insulation Sheets for Furnaces

Moldable Ceramic Thermal Insulation Sheets for Furnaces

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

Fiberglass Thermal Insulation Sheets

Fiberglass Thermal Insulation Sheets

Lightweight and flexible to insulate equipment and appliances

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