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Compare our offering of composites to find the right material for you.
Nonporous Ceramic Alumina Beads
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Often used as wire insulation. 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.
Temp. | 1/8" Lg. | 0.188" Lg. | 0.313" Lg. | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OD | ID | Color | Min. | Max., ° F | Fabrication | Dielectric Strength | Porosity | Compressive Strength, psi | Hardness | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | |||||
| 0.090" | 0.040" | White | Not Rated | 3,075 | Fired | Not Rated | 0% | 300,000 | Not Rated | 5 | 00000000 | 00000 | — | ——— | 0 | — | ——— | 0 | ||
| 0.170" | 0.065" | White | Not Rated | 3,075 | Fired | Not Rated | 0% | 300,000 | Not Rated | — | ——— | 0 | 5 | 00000000 | 000000 | — | ——— | 0 | ||
| 0.330" | 0.133" | White | Not Rated | 3,075 | Fired | Not Rated | 0% | 300,000 | Not Rated | — | ——— | 0 | — | ——— | 0 | 5 | 00000000 | 000000 | ||
Nonporous Ceramic Alumina Balls
 |
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.
Temp. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Sphericity Percentage | Color | Min. | Max., ° F | Fabrication | Dielectric Strength, V/mil | Porosity | Compressive Strength, psi | Hardness | Each | |||
| 1/8" | -0.0001" to 0.0001" | 99.9975% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 00000 | ||
| 3/16" | -0.0001" to 0.0001" | 99.9975% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 0000 | ||
| 1/4" | -0.0001" to 0.0001" | 99.9975% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 0000 | ||
| 5/16" | -0.0001" to 0.0001" | 99.9975% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 0000 | ||
| 3/8" | -0.0001" to 0.0001" | 99.9975% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 0000 | ||
| 1/2" | -0.0001" to 0.0001" | 99.9975% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 0000 | ||
| 5/8" | -0.0010" to 0.0010" | 99.99% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 00000 | ||
| 3/4" | -0.0010" to 0.0010" | 99.99% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 00000 | ||
| 1" | -0.0010" to 0.0010" | 99.99% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 00000 | ||
| 3 mm | -0.0001" to 0.0001" | 99.99% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 0000 | ||
| 4 mm | -0.0001" to 0.0001" | 99.99% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 0000 | ||
| 16 mm | -0.0001" to 0.0001" | 99.99% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 00000 | ||
| 20 mm | -0.0001" to 0.0001" | 99.99% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 00000 | ||
| 25 mm | -0.0001" to 0.0001" | 99.99% | White | Not Rated | 2,000 | Fired | 220 | Not Rated | 300,000 | Rockwell 45N 83 | 0000000 | 00000 | ||
