global diamond industry. In 1978, Coborn designed the ...
2019-5-15 · CSD290 features straight diamond crystal edge,bright synthetic diamond grit crystal surface, transparent yellow color,this grade of synthetic diamond powder is of higher strength and thermal stability,it can be applied to high strength diamond saw (use as diamond saw grits),diamond drill and other grinding tools,grit size of 2.2mm,2.0mm,10/12 ...
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