View Single Post
  #8  
Old 08-22-2019, 01:02 AM
lots2learn lots2learn is offline
Member
 
Join Date: Aug 2012
Location: Seattle WA
Posts: 136
Default

This is very easy to do with a small transformer, (low voltage). A screwdriver wrapped in fiberglass cloth with the acid is what I'm familiar with.
The use I have seen is to provide FDA compliant welds. Grinding causes places for bacteria to hide more so than the acid cleaning.
__________________
Greg
Reply With Quote