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About Selecting Thermal Insulation
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Compare R-value and temperature range to find the insulation material that best suits your application.
Graphite Insulation Sheets for Furnaces
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Insulate high-vacuum furnaces and other low-oxygen vacuum enclosures with these flexible sheets. These sheets withstand higher temperatures when used in a vacuum.
2 ft. Long | 4 ft. Long | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thk. | Wd. | Insulation R Value | Flexibility | Max. Temp., ° F | Heat Flow Rate @ Temp. | Density, lb/ft³ | Color | Max. Temp. in a Vacuum, ° F | Each | Each | |||
| 1/4" | 24" | Not Rated | Flexible | 750 | 0.2 BTU/hr @ 2,550° F | 7.49 | Black | 4,350 | 0000000 | 0000000 | 0000000 | 0000000 | |
| 1/2" | 24" | Not Rated | Flexible | 750 | 0.2 BTU/hr @ 2,550° F | 7.49 | Black | 4,350 | 0000000 | 000000 | 0000000 | 000000 | |
Rigid Graphite Insulation Sheets for Furnaces
 |
Insulate high-vacuum furnaces and other low-oxygen vacuum enclosures with these rigid sheets. They withstand higher temperatures when used in a vacuum and can be machined through sawing or drilling.
Foil Facing—Sheets are foil faced to increase heat retention and longevity.
Wd. | Lg. | Insulation R Value | Facing Material | Flexibility | Max. Temp., ° F | Max. Facing Temp., ° F | Heat Flow Rate @ Temp. | Density, lb/ft³ | Color | Max. Temp. in a Vacuum, ° F | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1" Thick | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 24" | 52" | Not Rated | Foil | Rigid | 750 | 950 | 1.7 BTU/hr @ 1,500° F | 14.98 | Black | 5,430 | 0000000 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 40" | 60" | Not Rated | Foil | Rigid | 750 | 950 | 1.7 BTU/hr @ 1,500° F | 14.98 | Black | 5,430 | 0000000 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1 1/2" Thick | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 24" | 52" | Not Rated | Foil | Rigid | 750 | 950 | 1.7 BTU/hr @ 1,500° F | 14.98 | Black | 5,430 | 0000000 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 40" | 60" | Not Rated | Foil | Rigid | 750 | 950 | 1.7 BTU/hr @ 1,500° F | 14.98 | Black | 5,430 | 0000000 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2" Thick | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 24" | 52" | Not Rated | Foil | Rigid | 750 | 950 | 1.7 BTU/hr @ 1,500° F | 14.98 | Black | 5,430 | 0000000 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 40" | 60" | Not Rated | Foil | Rigid | 750 | 950 | 1.7 BTU/hr @ 1,500° F | 14.98 | Black | 5,430 | 0000000 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
4" Thick | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 24" | 52" | Not Rated | Foil | Rigid | 750 | 950 | 1.7 BTU/hr @ 1,500° F | 14.98 | Black | 5,430 | 0000000 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 40" | 60" | Not Rated | Foil | Rigid | 750 | 950 | 1.7 BTU/hr @ 1,500° F | 14.98 | Black | 5,430 | 0000000 | 00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
