For home use with low pressure(less than 150PSI) you will probably want 80
grit or so Al oxide. Glass beads are nice, but unless you have a really
good compressor it will take forever to clean anything up with them. I have
a counter top blast cabinet from Homier(same as HF but cheaper) and a 60 gal
IR compressor. With glass beads anything bigger than 8X8X8 will take
forever. I don't think soda is a viable option in a cheap, home blast
cabinet.
HF sells glass beads and Al oxide blast media. DO NOT use regular sand. Do
a search on silicosis if you want to know why.
Cheers,
Derf
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