4metals Moderator Staff member Supporting Member Moderator Joined Apr 5, 2009 Messages 7,004 Location northeast USA Jun 13, 2014 #22 Most of the ceramic chips I have worked with are a aluminum oxide mix which is the white ceramic looking base the circuitry is printed on. When ground up they looked like the pile you showed, fine white dust.
Most of the ceramic chips I have worked with are a aluminum oxide mix which is the white ceramic looking base the circuitry is printed on. When ground up they looked like the pile you showed, fine white dust.