Ceramic vs. Zirconia Abrasives: Which is the best
2020-4-17 · This allows zirconia and ceramic to continuously renew themselves for maximum cutting performance until the grain is fully worn. Zirconia Abrasives. Zirconium is made by die-casting and is generally available in the coarser grits up to 120. It is a coarse grain that has a high heat resistance and is substantially stronger than aluminum oxide.
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