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About Selecting Thermal Insulation
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Crack-Resistant Rigid Polyimide Insulation Sheets
Even when subjected to heavy compression, these rigid polyimide sheets won't crack. To use outdoors, add metal jacketing.
Sheets with a density of 12 lbs./cu. ft. are easier to cut than denser polyimide insulation sheets, which makes them good for die-punching applications. They are not, however, good for machining.
Sheets with a density of 60 lbs./cu. ft. are more durable than less dense polyimide insulation sheets, so they can stand up to machining. They’re often used for mold bases or press insulation.
- Temperature Range: -300° to 550° F
- Heat Flow Rate: 0.24 Btu @ 75° F
- Color: Gold
- Specifications Met: UL 94 V-0
Moisture-Resistant Low-Temperature
Rigid Polystyrene Foam Insulation Sheets
These sheets resist the absorption of water, air, and gas and are widely used in cold-storage and packaging applications.
Polypropylene-coated sheets have an added layer of moisture protection.
Sheets that cannot be sold to the listed regions do not meet chemical regulations.
For technical drawings and 3-D models, click on a part number.
- Heat Flow Rate: 0.26 Btu @ 75° F
- Color: White
- Specifications Met: ASTM E84 15/125 for Flame and Smoke
- Temperature Range: -150° to 165° F
- Heat Flow Rate: 0.2 Btu @ 75° F
- Color: Yellow
Impact-Resistant Low-Temperature Rigid PVC Foam Insulation Sheets
- Temperature Range: -325° to 160° F
- Heat Flow Rate: 0.22 Btu @ 75° F
- Density: See table
- Color: Beige
Made of rugged PVC foam, these rigid sheets absorb impact and restrict the absorption of water, air, and gas. Use in applications with operating temperatures below 32° F.
For technical drawings and 3-D models, click on a part number.
| Thick. | Wd. | Lg., ft. | R Value | Flexibility | Each | |
3 lbs./cu. ft. Density | ||||||
|---|---|---|---|---|---|---|
| 3/8" | 32" | 4 | 1.7 | Rigid | 0000000 | 000000 |
| 1/2" | 32" | 4 | 2.3 | Rigid | 0000000 | 00000 |
| 3/4" | 32" | 4 | 3.4 | Rigid | 0000000 | 00000 |
| 1" | 32" | 4 | 4.5 | Rigid | 0000000 | 000000 |
| 1 1/2" | 32" | 4 | 6.8 | Rigid | 0000000 | 000000 |
5 lbs./cu. ft. Density | ||||||
| 3/8" | 32" | 4 | 1.7 | Rigid | 0000000 | 00000 |
| 1/2" | 32" | 4 | 2.3 | Rigid | 0000000 | 00000 |
| 3/4" | 32" | 4 | 3.4 | Rigid | 0000000 | 000000 |
| 1" | 32" | 4 | 4.5 | Rigid | 0000000 | 000000 |
| 1 1/2" | 32" | 4 | 6.8 | Rigid | 0000000 | 000000 |