12" x 24" x 1/2" (305 mm x 610 mm x 13 mm) oxide bonded, silicon carbide shelves (dark grey) are coated on one side with a high-alumina kiln wash. The design incorporates side slits to prolong shelf life by relieving thermal expansion stress. Typical properties and composition are listed below.
Cutting charge $2.00/inch. Larger jobs quoted.
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Properties & Composition |
| SiC (%): >89 |
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Density (g/cm3): 2.65 - 2.75 |
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Porosity (%): <14 |
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Cold Crushing Strength (Mpa): >90 |
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Cold Modulus of Rupture @ 20 C (Mpa): >40 |
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Hot Modulus of Rupture @ 1400 C (Mpa): >56 |
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Coefficient of Thermal Expansion (25-1400 C): 4.8 x 10 -6 |
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Load Melting Temperature: >1700 C (3092 F) |
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Maximum Working Temperature: 1400 C (2552F) |
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Thermal Conductivity @ 1200 C (Kcal/mh C): 14.0 |