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40lbs of Saint-Gobain Denstone® D99 0.50" high-alumina ceramic media is the premier choice for applications requiring non-contaminating, high-density, and thermal-shock-resistant media. Featuring uniform 0.50" (~13mm) spheres, this dense, non-porous, and non-sparking 99% alumina construction offers exceptional abrasion resistance to prevent material contamination during heavy processing. It is widely used in ball milling for pyrotechnics, metal powders, ceramic glazes, and chemical grinding, as well as chemical and reactor support beds that demand ultimate purity. All orders include free shipping via USPS Ground Advantage or USPS Priority Mail Flat Rate, securely double-bagged in heavy-duty poly bags and reinforced for safe, damage-free delivery.

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