What should I keep in mind when sandcarving metal?
Sandcarving metal will either remove the polish or remove the paint and/or coated surface, revealing a satin finish. Sandcarve the surface until the polish is removed, then stop sandcarving. Continued sandcarving will heat the photomask and possibly leave a residue on the surface.
We prefer to use silicon carbide abrasive when sandcarving metal surfaces. Either abrasive silicon carbide or aluminum oxide will work with this particular surface; however, silicon carbide will provide a bright polish finish.
Sandcarving metals is the fastest of any surface to sandcarve — just seconds in the blaster — and lends itself for a quick and easy way to mark your metal surfaces for best contrast, especially if there is no additional paint being applied.