-> cleaning the stone work around my house (Arizona Flagstone and LA
-> smog--sheesh!). So I guess it is pretty crude compared to what you
-> are doing, but I have never heard of blasting with that fine of an
That's what Tech Line recommends, and what came with my little blaster
kit. The stuff has the consistency of flour and is very sensitive to
damp - I have to microwave it before use or it'll pack up in the
The 220 leaves a lightly frosted finish on aluminum. The parts have to
be sparkly clean when blasting, or the abrasive will just collect on any
oil or gunk without removing anything.
-> As I said, I don't know much about blasting, but would be interested
-> in what you find out regarding this abrasive.
I will try MSC and McMaster-Carr next. The little bottles from JC
Whitney don't have a manufacturer name or anything, of course.