This kind of 6 segment metal bond grinding disc is designed for quick removal of thinset, glue & mastics an ideal tool substrate preparation. Use wet or dry. Attachment system:Velcro back or 3 thread holes, or with 1 pin/post Bond:hard,soft,medium Grit:16#-400# Each grit is designed to...
Each grit is designed to refine the scratch pattern, and the rule of thumb is each consecutive grit is to be approximately doubled in size, so it can remove the scratches of the previous step. For example, if you start with 30 grit, the next grit is 50 or 70, then 100 or 120, 200 or 220, 400, 800, etc. Following proper grit sequence is a fundamental principle in concrete processing. Skipping a grit step will put you up against some serious scratched floor challenges. The grits steps are usually divided into three stages — grinding, honing and polishing.
Metals: Hard concrete requires a softer bond to prevent glazing and to allow new diamonds to get easily exposed for maximum cutting. Soft concrete requires a harder bond, so it can last longer (soft bond will cut but it will wear out too fast on soft concrete).
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