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1/25/2018 7:38:29 AM
Posted: 3/6/2006 5:46:50 PM EST
what media should be used before finishing?
Link Posted: 3/6/2006 5:50:43 PM EST
I use home depot sandbox sand. Make sure you screen it, The sand will have crap in it that will stop up your blaster if you dont.
Link Posted: 3/6/2006 6:22:25 PM EST
stay away from the black diamond stuff sold at Tractor Supply Co, I think its just black sand, supposed to be for blasting, but too hard in the cabinet for gun work, I thought after a little while it would soften up taking the rough edges off, but just became a dusty mess
Link Posted: 3/6/2006 8:23:40 PM EST
I have heard glass bead is the best but, I always just use silica sand from Home depot.
Link Posted: 3/6/2006 8:46:08 PM EST

Originally Posted By TP4:
I have heard glass bead is the best but, I always just use silica sand from Home depot.

Glass beads are good if you intend on blueing the metal. Glass beads supposedly can polish the metal too much for good paint adhesion. You really should use sand or aluminum oxide for paint. I've used Home Depot sandbox sand and like ark-and-spark said, you do need to screen it to remove the bigger sand particles or it'll clog up the blaster gun. I prefer alumimun oxide but sand works well too and is a helluva lot cheaper.
Link Posted: 3/7/2006 4:50:59 AM EST
+1 on aluminum oxide. Its the only way to go if you are going to refinish it in some type of paint (Moly Resin, Duracoat, GunKote, etc).
Link Posted: 3/7/2006 5:48:54 AM EST
aluminum oxide, manganese phosphate park job, then duracoat.
Link Posted: 3/7/2006 6:15:52 AM EST
Originally Posted By ArmedFerret:
aluminum oxide, manganese phosphate park job, then duracoat.[/quote

spend a few bucks more and get aluminum oxide. Silicosis is nothing to mess with. Do a google search on the symptoms and resulting bodily harm from Silicosis (breathing fine sand dust).

Do what you choose, but at least take the time to reasearch so you can't say you didn't know better.

Link Posted: 3/7/2006 11:10:03 AM EST
lots of guys forget this.... if your new sand is too rough and eating up too much metal, turn down the pressure on your air regulator and hold the part out a little further. new rough sand will be fine at 40psi. as it wears out turn up the pressure.
Link Posted: 3/7/2006 12:10:21 PM EST
Swimming pool filter sand.
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