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CoorsTek™ Alumina Cylindrical Crucibles

High-grade aluminum oxide yields contamination-free results

Manufacturer: coorstek™  CRS65532

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Catalog No. 12-220J

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Description & Specifications


Diameter (English) 0.94 in.
Capacity (Metric) 6mL
Material Alumina
Height (English) 0.75 in.
Diameter (Metric) 24mm
Capacity (English) 0.2 oz.
Height (Metric) 19mm
Diameter (English) Inner 0.94 inch
Diameter (English) Base 0.9 in.
Diameter (Metric) Base 23mm
Diameter (Metric) Inner 24mm
Product Type Crucible
Max. Temperature (English) 3182°F
Max. Temperature (Metric) 1750°C
Capacity 0.2 oz, 6mL

Highly resistant to chemical attack, this alumina-ceramic crucible is especially useful to chemists, metallurgists and others involved in high-temperature work

  • 99.8% pure aluminum oxide
  • Withstands temperatures up to 1750°C
  • Inert in hydrogen and carbonaceous atmospheres
  • Offers high resistance to alkalies and other fluxes
  • Permeability: gas tight
  • Water absorption: none

Suitable for glass melting, including borosilicate glass. Recommended for use with refractory metals such as molybdenum, platinum, rhodium, tungsten, tantalum and iridium