Fire Assay Cupels

Westref’s Magnesite Cupels are used to heat and separate gold and other precious metals from base metals. Manufactured to exacting standards under ISO Guide 9001, the cupels can be produced in a range of custom sizes and to suit your purity needs. Out magnesite cupels are made from world class raw materials and can withstand extreme temperature shocks, producing consistent results with low losses. See why Westref is fast becoming a trusted global name in the mining and geochemical lab market.

  • Manufactured to exacting standards under ISO Guide 9001
  • World class raw materials
  • Consistent results and low losses
  • Custom sizes available


“Reliable, driven, family business that provides quality products and will work diligently with its partners towards mutual success.”

Anonymous customer survey submission, 2016

“I hope you can keep producing such wonderful products and expand the range of your products”

Head of Fire Assay

“We have been using Western Refractories Fire Assay Flux, Crucibles and Cupels for the past six years at our Laboratory in Metro Perth and have had virtually no issues with the quality of the products or timely supply.”

Laboratory Manager Perth, Western Australia

“WR’s level of support, commitment to partnering, response time and desire to constantly improve are exceptional.”

Procurement Lead Perth, Western Australia
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