Material Material |
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System of Measurement System of Measurement |
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Thickness Thickness |
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Shape Shape |
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 | Sheet and Bar |
Maximum Temperature Maximum Temperature |
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Color Color |
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 | White |
Compressive Strength Compressive Strength |
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Clarity Clarity |
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Hardness Hardness |
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Thermal Conductivity Thermal Conductivity |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Minimum Temperature Minimum Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Fabrication Fabrication |
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Electrical Properties Electrical Properties |
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Flexural Strength Flexural Strength |
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Tensile Strength Tensile Strength |
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About Selecting Thermal Insulation
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Nonporous Alumina Ceramic Sheets and Bars
- Color: White
- Max. Temperature: See table
- Fabrication: Fired
- Electrical Properties: 4 1/2" × 4 1/2" sheets are electrical insulating
- Dielectric Strength: See table
- Porosity: See table
- Compressive Strength: 300,000 psi
Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
For technical drawings and 3-D models, click on a part number.
| Thick. | Thick. Tolerance | Wd. | Lg. | Max. Temperature, °F | Dielectric Strength, V/mil | Porosity | Each | |
| 0.010" | -0.001" to 0.001" | 4 1/2" | 4 1/2" | 3100° | 250 | Not Rated | 0000000 | 000000 |
| 0.015" | -0.002" to 0.002" | 4 1/2" | 4 1/2" | 2910° | 210 | 13% | 0000000 | 00000 |
| 0.020" | -0.002" to 0.002" | 4 1/2" | 4 1/2" | 2910° | 210 | 13% | 0000000 | 00000 |
| 0.025" | -0.006" to 0.006" | 4 1/2" | 4 1/2" | 3100° | 250 | Not Rated | 0000000 | 00000 |
| 0.030" | -0.003" to 0.003" | 4 1/2" | 4 1/2" | 2910° | 210 | 13% | 0000000 | 00000 |
| 0.035" | -0.004" to 0.004" | 4 1/2" | 4 1/2" | 2910° | 210 | 13% | 0000000 | 00000 |
| 0.040" | -0.004" to 0.004" | 4 1/2" | 4 1/2" | 2910° | 210 | 13% | 0000000 | 00000 |
| 0.060" | -0.002" to 0.002" | 4 1/2" | 4 1/2" | 3100° | 250 | Not Rated | 0000000 | 00000 |
| 0.080" | -0.002" to 0.002" | 4 1/2" | 4 1/2" | 3100° | 250 | Not Rated | 0000000 | 00000 |
| 0.100" | -0.008" to 0.008" | 4 1/2" | 4 1/2" | 3100° | 250 | Not Rated | 0000000 | 00000 |
| 0.157" | -0.050" to 0.050" | 2" | 4 1/4" | 3075° | 220 | 13% | 0000000 | 000000 |
| 0.177" | -0.050" to 0.050" | 3" | 6 1/4" | 3075° | 220 | 13% | 0000000 | 000000 |
| 0.197" | -0.050" to 0.050" | 4" | 8 1/2" | 3075° | 220 | 13% | 0000000 | 000000 |
Ultra-High-Temperature Easy-to-Machine Alumina Ceramic Sheets
- Color: White
- Max. Temperature: 3000° F
- Fabrication: Fired
- Porosity: 48%
- Compressive Strength: 4,350 psi
Commonly used in induction furnace components and hot glass handling, this alumina ceramic withstands higher temperatures than alumina-bisque ceramic. The 99% alumina content makes it suitable for high-vacuum applications. It has excellent machinability. Material comes fired and is unaffected by water.
For technical drawings and 3-D models, click on a part number.
3" × 3" | 6" × 6" | 12" × 12" | 24" × 24" | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Each | Each | Each | Each | ||||
| 1/32" | -0.020" to 0.020" | 00000000 | 000000 | 00000000 | 000000 | 00000000 | 0000000 | 000000 | 00 |
| 1/16" | -0.020" to 0.020" | 00000000 | 00000 | 0000000 | 000000 | 00000000 | 000000 | 00000000 | 0000000 |
| 1/8" | -0.035" to 0.035" | 00000000 | 00000 | 0000000 | 000000 | 00000000 | 000000 | 00000000 | 000000 |
| 3/16" | -0.040" to 0.040" | 00000000 | 000000 | 000000 | 000000 | 00000000 | 000000 | 00000000 | 000000 |
| 1/4" | -0.050" to 0.050" | 00000000 | 000000 | 0000000 | 000000 | 00000000 | 000000 | 00000000 | 00000000 |
| 1/2" | -0.065" to 0.065" | 00000000 | 000000 | 0000000 | 000000 | 00000000 | 000000 | 00000000 | 00000000 |
Ultra-High-Temperature Ceramic Gasket Material
Our highest temperature gasket sheets, these are made of high-alumina ceramic and can withstand temperatures up to 2600° F. Use them when a strong seal is required in boilers and furnaces. Cut with a utility knife.
For technical drawings and 3-D models, click on a part number.
High-Temperature Ceramic Fiber Pipe Insulation
Shield against extreme heat with these flexible ceramic strips. They are often used to insulate hose, cables, and process piping.
Alumina oxide ceramic fiber has the lowest heat-flow rate of all the ceramic fiber materials.
Insulation with adhesive backing allows you to install without having to hold in place. Secure with band clamps or other parts of the assembly once in position. Apply while cool. Adhesive will start to wear off around 400° F, but this does not affect the insulation’s temperature rating.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: See table
- Heat Flow Rate: 0.48 Btu @ 800° F
- Density: 12 lbs./cu. ft.
- Color: White
| Wd. | Lg., ft. | Temp. Range, °F | R Value | Backing Type | Flexibility | Each | |
1/32" Thick. | |||||||
|---|---|---|---|---|---|---|---|
| 1" | 50 | -50° to 2300° | 0.02 | Plain | Flexible | 00000000 | 000000 |
| 2" | 50 | -50° to 2300° | 0.02 | Plain | Flexible | 00000000 | 00000 |
| 3" | 50 | -50° to 2300° | 0.02 | Plain | Flexible | 00000000 | 00000 |
1/16" Thick. | |||||||
| 1" | 50 | -50° to 2300° | 0.04 | Plain | Flexible | 00000000 | 00000 |
| 2" | 50 | -50° to 2300° | 0.04 | Plain | Flexible | 00000000 | 00000 |
| 3" | 50 | -50° to 2300° | 0.04 | Plain | Flexible | 00000000 | 00000 |
1/8" Thick. | |||||||
| 1" | 25 | -50° to 2300° | 0.2 | Plain | Flexible | 00000000 | 00000 |
| 1" | 50 | -50° to 2300° | 0.2 | Adhesive | Flexible | 00000000 | 000000 |
| 1 1/2" | 50 | -50° to 2300° | 0.2 | Adhesive | Flexible | 00000000 | 000000 |
| 2" | 25 | -50° to 2300° | 0.2 | Plain | Flexible | 00000000 | 00000 |
| 2" | 50 | -50° to 2300° | 0.2 | Adhesive | Flexible | 00000000 | 000000 |
| 3" | 25 | -50° to 2300° | 0.2 | Plain | Flexible | 00000000 | 00000 |
| 3" | 50 | -50° to 2300° | 0.2 | Adhesive | Flexible | 00000000 | 000000 |
1/4" Thick. | |||||||
| 1" | 25 | -50° to 2300° | 0.5 | Plain | Flexible | 00000000 | 000000 |
| 1" | 62 1/2 | -50° to 2300° | 0.5 | Adhesive | Flexible | 00000000 | 000000 |
| 2" | 25 | -50° to 2300° | 0.5 | Plain | Flexible | 00000000 | 000000 |
| 3" | 25 | -50° to 2300° | 0.5 | Plain | Flexible | 00000000 | 000000 |