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6" mirror blank polishing
Hi to all. hope I am in the right place to post this question. I am new to this forum and not really sure I am doing this post correctly if not please let me know.
I am polishing a 6" mirror blank and cannot seem to get the last 3/8" edge to polish out does anyone have any suggestions or do I just keep polishing on? I have put in about 16 hours and still going so it maybe that I am doing something wrong. Doing 1/3 COC.
Thank you in advance
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