whit3rd wrote:
On Wednesday, February 4, 2015 at 12:08:25 PM UTC-8, Terry Coombs
wrote:
Anybody know what they're made of ? I need to cast some balls for a
ball mill , and have a choice of pure lead or tire weight material

Ball mills make lots of dust, and lead oxide dust is toxic. Could
you just use steel shot instead (BBs?), or gravel?

What I'm milling requires the media to be non-sparking .

--
Snag