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Alfa Aesar offers a broad selection of Carbone of America Ultra Carbon graphite analytical products, including emission spectrographic electrodes and rotrodes; atomic absorption furnace tubes; and gas analysis, fusion and pyrolytic coated crucibles. Ultra Carbon originated the "F" graphite purification process in 1945. Today these high purity graphite products are continuously proven in laboratories throughout the world and remain the benchmark by which all others are measured.

Fusion Crucibles
For the metallurgist who requires consistency in the fusion crucible being used, Ultra Carbon continues to be the source of reliability. Crucibles are manufactured from graphite materials that provide exceptional thermal uniformity and exactness to dimensional specifications. This quality is offered in designs available for immediate shipment from stock as well as for custom manufactured designs to your specifications.

YU-40 Grade:an unpurified extruded graphite specially adaptable as a crucible material and available on special order for other applications.

  • Graphite, Fusion Crucible, drillpoint, unpurified, volume 7.5cc
  • Graphite, Fusion Crucible, drillpoint, unpurified, volume 7.88cc
  • Graphite fusion crucible lid for stock number 14747, 3.2cm (1.25in) dia, 0.48cm (0.19in) thick
  • Graphite fusion crucible lid for stock number 40794, 2.54cm (1.0in) dia, 6.35mm (0.25in) thick


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