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CoorsTek™ Alumina Conical Crucible

High-grade aluminum oxide yields contamination-free results

Manufacturer: coorstek™  CRS65518

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Catalog No. 12-220H


Description & Specifications


Capacity (Metric) 50mL
Material Alumina
Height (English) 2.1 in.
Capacity (English) 1.69 oz.
Height (Metric) 53mm
Diameter (English) Base 1.3 in.
Diameter (Metric) Base 33mm
Product Type Conical Crucible
For Use With (Application) For determinations involving molybdenum, platinum, rhodium, tungsten, tantalum and iridium
Max. Temperature (English) 3182°F
Max. Temperature (Metric) 1750°C
Capacity 1.7 oz, 50mL

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