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Micro Grinding Applications

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Mining

ZirPro Minerax: a competent bead for mining

In the mining industry, ultra-fine grinding is required to increase recovery yields, liberate trapped grains and create new active surfaces. The stirred mill environment is particularly severe. The minimum requirement of a bead is to be competent and provide a cost-effective, energy-efficient grinding solution. A competent media type must be hard but not abrasive, withstand high impacts and resist the shear wear associated with bead mills.

Saint-Gobain ZirPro has been supplying high-quality ceramic media for more than 40 years. Based on this experience, ZirPro developed Minerax, a market-leading composite product. Minerax is engineered to be chemically resistant and offer outstanding mechanical performance, making it fully competent in the most demanding applications.

Minerax: a competent bead

Minerax Competent Beads

Minerax has been validated in the majority of precious and base metal applications: Au, Pt, Fe, Cu, Pb and Zn. Minerax has a size range (2-3, 3-4, 4-5, 5-6 mm) that is ideal for all applications, from coarse feed of more than 200 microns to ultra-fine re-grind applications with feed material below 45 microns.

Mining processes are continuous, and mills must operate with a working mix or seasoned charge of media. This requires maintaining a high proportion of effective bead within the charge. Minerax’s superior wear and mechanical performance is the best choice to address this challenge.

 Contact us to learn more!

Ceramic Grinding Media

ZirPro provides the optimum combination of efficient and cost-effective zirconia-based products to enhance productivity and quality. Composed of either stabilized zirconia — Zirmil® Y and Zirmil® Ce — or zirconium silicate materials — ER120 and Rimax® —  ZirPro’s wide range of durable ceramic grinding beads help achieve more controlled operations.

Learn more

Related Resources

 Minerax Technical Data Sheet

Saint-Gobain ZirPro is a business of Saint-Gobain Ceramic Materials

 

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