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Material Material | Hide |
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Diameter Diameter |
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Shape Shape |
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![]() | Ball |
Color Color |
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![]() | White |
Maximum Temperature Maximum Temperature |
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Compressive Strength Compressive Strength |
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Clarity Clarity |
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Density Density |
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Fabrication Fabrication |
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Hardness Hardness |
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Dielectric Strength Dielectric Strength |
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Flexural Strength Flexural Strength |
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Tensile Strength Tensile Strength |
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Modulus of Elasticity Modulus of Elasticity |
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Refractive Index Refractive Index |
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Porosity Porosity |
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Thermal Conductivity Thermal Conductivity |
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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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Minimum Temperature Minimum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Nonporous Alumina Ceramic Balls

- Color: White
- Max. Temperature: 2000° F
- Fabrication: Fired
- Porosity: 0%
- 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.
Dia. | Dia. Tolerance | Sphericity | Each | |
1/8" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 00000 |
3/16" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
7/32" | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
1/4" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
9/32" | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
5/16" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
3/8" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
1/2" | -0.0001" to 0.0001" | 99.9975% | 0000000 | 0000 |
5/8" | -0.0010" to 0.0010" | 99.99% | 0000000 | 00000 |
3/4" | -0.0010" to 0.0010" | 99.99% | 0000000 | 00000 |
1" | -0.0010" to 0.0010" | 99.99% | 0000000 | 00000 |
3mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
4mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
5mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
7mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
8mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
9mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
10mm | -0.0001" to 0.0001" | 99.99% | 000000 | 00000 |
11mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 0000 |
12mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |
16mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |
17mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |
20mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |
25mm | -0.0001" to 0.0001" | 99.99% | 0000000 | 00000 |