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Compare our offering of composites to find the right material for you.
Low Thermal Expansion Alumina Silicate Ceramic Rods
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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.
Temp., ° F | 3" Lg. | 6" Lg. | 9 1/2" Lg. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Color | Min. | Max. | Fabrication | Dielectric Strength, V/mil | Porosity | Compressive Strength, psi | Hardness | Each | Each | Each | |||||
| 1/8" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | 8479K91 | 000000 | ——— | 0 | ——— | 0 | ||
| 1/4" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | 8479K21 | 00000 | ——— | 0 | ——— | 0 | ||
| 3/8" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | 8479K92 | 000000 | ——— | 0 | ||
| 1/2" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | 8479K72 | 00000 | ——— | 0 | ||
| 5/8" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | 8479K68 | 00000 | ——— | 0 | ||
| 3/4" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K69 | 000000 | ||
| 7/8" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K71 | 00000 | ||
| 1" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K73 | 000000 | ||
| 1 1/4" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K74 | 000000 | ||
| 1 1/2" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K75 | 000000 | ||
| 2" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K76 | 000000 | ||
| 2 1/2" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K77 | 000000 | ||
| 3" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K78 | 000000 | ||
| 3 1/2" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K79 | 000000 | ||
| 4" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K118 | 00000000 | ||
| 5" | 0.000" to 0.015" | Gray | 72 | 2,010 | Unfired | 100 | 2% | 25,000 | Rockwell H59 | ——— | 0 | ——— | 0 | 8479K84 | 00000000 | ||
