Plastic ball mill for MLCC capacitors? | Gold Refining Metal ...
WEBJan 17, 2010 · 325. Loion. Rock Island. Apr 16, 2014. #1. Howdy, all! I know the rock tumbler 'ball mills' that have the plastic jars as the polishing/grinding drums are. worthless for chips, but now that I've become tuned in to MLCC capacitors and SMD resistors. as a source of Silver and a bit of Palladium, and have been scraping them off with a ...