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Message: <blockquote data-quote="Master Carper" data-source="post: 3621902" data-attributes="member: 15527">The first 30 hours of polishing was up at 9:00 this morning, so after cleaning up the vibratory case polisher and washing off the Round Balls, I put them on a digital scale. Total weight for a case polisher full of Round Balls was 46.8 pounds!For the first 30 hour polishing time, I add a tablespoon of motor mica in with the Round Balls to decreases the friction between the Round Balls. This makes for a more uniform shperical shape between all of those Round Balls.The second 30 hour polishing will have a couple tablespoons of mineral oil mixed in, and will put a near mirror finish on all of these Round Balls.Once a total time of 60 hours is up, and the Round Balls are washed clean, I will pull 25 Balls and check their weight and dimensions around their complete circumference. After that, each and every Round Ball will be inspected one at a time for any flaws. Any found to be less than near perfect will be returned to a separate container and will be remelted in the next casting session.</blockquote>