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The Finished Part Blog

The Finished Part Blog

Tuesday, May 26, 2009

Stone Engraving

Question: I am thinking of purchasing a small business doing stone engraving. My only concern is blasting with the silica sand which is what is being used right now. We plan to use a blasting room and filtered breathing system but I don't know how safe I can be using silica sand. I am curious about alternatives like silicon carbide and aluminum oxide and could use any tips and advice on how I can do this kind of work safely.

Response: Blasting with silica sand is definitely NOT recommended - even with a breathing apparatus. Both Aluminum Oxide and Silicon Carbide are more aggressive blasting media than sand and will provide quicker results and a better surface finish on stone. Both of these media media can be used with standard abrasive blasting systems without modification. Of course, always minimize breathing any kind of dust when blasting.


Anonymous said...

if not sand blasting, how would you recommend blasting? Is there a safer way to do it?


Steven Schneider said...

Abrasive blasting is an excellent method for engraving stone; however, using sand (silica) is not recommended due to the risk associated with exposure to airborne silica dust.

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