Mar 13, 2022 · Guatemala The second grade is 10~20µm, this grade is made of a fine grain diamond with a high range for abrasion resistance. This grade is best used against high silicon aluminum, fiberglass, graphite epoxy, carbon, and wood. And 10~25µm pcd inserts is suitable for machining si>12% high silicone aluminum alloy and tungsten carbide.:::Guatemala Subaru's …
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