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Post by johnjsgems on Feb 12, 2012 21:26:35 GMT -5
I've never heard of them. Do you mean SC sanding discs?
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Post by jakesrocks on Feb 12, 2012 22:46:08 GMT -5
Haven't used them in years, but before the advent of diamond discs, SC sanding discs were the standard. They were attached to a backing plate with feathering adhesive. (3M Disc Adhesive).
They won't last nearly as long as diamond discs, but are inexpensive compared to diamond discs. SC discs can also be used dry as long as you don't allow too much heat to build up in your work piece. Don
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