Producers of High Quality Fire Assay Fluxes, Fire Assay Crucibles, Certified Gold Reference Standards and Custom Designed Laboratory Equipment.
Western Refractories has been producing fire assay consumables since 1997.Tripple tested fluxes, multi trip crucibles and ISO Guide 35 certified gold standards.
Assay Flux
Be sure to watch our 3 minute video on our AUTOMATED FLUX DISENSING SYSTEM on the home page.

- Every tonne of our flux is assayed prior to release
- Our fluxes are reliable - no lumps, consistent button/prill size
- Low gold specification available
- Fast, reliable service
- Produced to your recipe or ours
- Choice of SAFE packaging (standard in 15kg plastic bags)
- Low dust assay flux
Material Safety Data Sheet
The material safety datasheet can be accessed here.
A printable PDF version is obtainable here.
