Then, it’s off to sanding with 200 and 600 grit wet sandpaper. Slowly, the soldermask is removed and the top copper layer appears. After that, it’s just a matter of sanding and scanning ...
Wet sanding begins at 400 grit and progresses to 2000 grit, after which the lens is polished with a polishing compound meant for high-gloss car finishes. This was done by hand, but in this ...
Put a 40-grit disc on the tool and it acts as a grinder; apply a 400-grit disc and it’s a polisher ... is that the random-orbit variety take sandpaper discs that attach to their bases with ...
Then I applied the activator with a spray bottle. After rinsing off the activator, I used wet 400-grit sandpaper to start working the area. I made sure to keep the area wet and use light ...
Supplier: R. S. Hughes Company, Inc. Description: 3M coated 656WY PSA disc uses diamond as the abrasive material and has a diameter of 6 in. 3M incorporates this diamond material into the PSA disc ...
Finishing with 220-grit sandpaper is probably sufficient in most cases, but there’s no harm in continuing on to finer grits, like 320 or 400, if you feel so inclined. Cox said that finer-grit ...