Refractory Insulation | McMaster-Carr

Filter by

Thickness

Maximum Temperature

Less than 1,000° F

1,000° F to 1,999° F

2,000° F to 2,499° F

2,500° 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

Color

Backing Type

For Use On

Enclosures and Equipment

Ovens and Furnaces

Shape

Performance

Abrasion Resistant

Chemical Resistant

Electrically Insulating

Flame Resistant

High Efficiency

Moisture Resistant

Semi-Conductive

Shock Resistant

Thermal Shock Resistant

Heat Flow Rate @ Temperature

0.11 BTU/hr @ 75° F

0.12 BTU/hr @ 75° F

0.16 BTU/hr @ 75° F

0.81 BTU/hr @ 750° F

0.43 BTU/hr @ 800° F

0.48 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

0.82 BTU/hr @ 800° F

0.96 BTU/hr @ 800° F

1 BTU/hr @ 800° F

1.05 BTU/hr @ 800° F

Minimum Temperature

Insulation R Value

ID

REACH

Export Control Classification Number (ECCN)

RoHS

DFARS Specialty Metals

OD

Flammability Rating

ASTM E84 0/0 for Flame and Smoke

UL 723 0/0 for Flame and Smoke

Wall Thickness

Diameter

Hardness

Rockwell 45N 70

Rockwell 45N 78

Rockwell 45N 83

How can we improve?

241 Products

Thermal Insulation Sheets

Abrasion-Resistant Rigid Calcium Silicate Thermal Insulation Sheets

Abrasion-Resistant Rigid Calcium Silicate Thermal Insulation Sheets

Withstand high temperatures in power-generating applications

Ceramic Fiber Thermal Insulation Sheets for Furnaces

Ceramic Fiber Thermal Insulation Sheets for Furnaces

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

Acid-Resistant Silica Thermal Insulation Sheets for Furnaces

Acid-Resistant Silica Thermal Insulation Sheets for Furnaces

Resist corrosive acids in furnaces and engine compartments

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

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

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

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

Other Products

Firebricks

Insulate furnaces to minimize heat loss while adding flame resistance

Pipe Insulation

Pipe Insulation

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

$Refractory Cement$

Refractory Cement

Lay firebricks or set and repair cast iron and steel furnaces, heaters, stoves, and boilers

Ceramic

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

Firebrick Repair Coatings

Firebrick Repair Coatings

Renew heat resistance and performance of worn firebrick

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