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Material Material | Hide |
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System of Measurement System of Measurement |
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Shape Shape |
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| Sheet and Bar | |
Thermal Conductivity Thermal Conductivity |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Color Color |
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| Gray | |
Fabrication Fabrication |
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Dielectric Strength Dielectric Strength |
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Clarity Clarity |
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Porosity Porosity |
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Flexural Strength Flexural Strength |
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Tensile Strength Tensile Strength |
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Density Density |
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Compressive Strength Compressive Strength |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Hardness Hardness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Low Thermal Expansion Alumina-Silicate Ceramic Sheets and Bars

- Color: Gray
- Temperature Range: -72° to 2010° F
- Fabrication: Unfired
- Porosity: 2%
- Compressive Strength: 25,000 psi
Also known as lava and wonderstone, this material is often used in applications that require high temperature resistance and low thermal expansion, such as standoffs and welding jigs.
For technical drawings and 3-D models, click on a part number.
Sheets
4" × 4" | 6" × 6" | 9 1/2" × 9 1/2" | |||||
|---|---|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Each | Each | Each | |||
| 1/8" | -0.010" to 0.010" | 0000000 | 000000 | 0000000 | 000000 | 00000000 | 0000000 |
| 1/4" | -0.010" to 0.010" | 0000000 | 00000 | 0000000 | 000000 | 00000000 | 000000 |
| 3/8" | -0.010" to 0.010" | 0000000 | 00000 | 0000000 | 000000 | 00000000 | 000000 |
| 1/2" | -0.010" to 0.010" | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
| 3/4" | -0.010" to 0.010" | 0000000 | 000000 | 00000000 | 000000 | 0000000 | 000000 |
| 1" | -0.010" to 0.010" | 0000000 | 000000 | 00000000 | 000000 | 0000000 | 000000 |
| 1 1/2" | -0.010" to 0.010" | 0000000 | 000000 | 00000000 | 000000 | 0000000 | 000000 |
| 2" | -0.010" to 0.010" | 0000000 | 000000 | 00000000 | 000000 | 0000000 | 000000 |

























