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  1. 09-05-2011, 07:43 AM #1
    Louis
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    Default Carborundum grit question?

    I just purchased a lot of stones on ebay wich included a two sided stone "Carborundum No. 109 SIC" and I was wondering if anyone could tell me the grit rating of either side coarse/fine?


    Thanks
    Louis.
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  2. 09-05-2011, 03:14 PM #2
    PaddyX21
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    Quote Originally Posted by Louis View Post
    I just purchased a lot of stones on ebay wich included a two sided stone "Carborundum No. 109 SIC" and I was wondering if anyone could tell me the grit rating of either side coarse/fine?


    Thanks
    Louis.
    I too would be interested to see if there is any kind of guide for converting the Carborundum numbers into their approx grit values
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