We use oxide 60-80 media for pretty much everything part I do and thats for powder coating. Everything we do is taken back further by hand though to give the best finish. This could be achieved by using glass beads or alternative media but in all honesty is too much of a ball ache cleaning the cabinet out each time. You need to consider what you are blasting and what finish you are after. Sorry this isnt much help, feel free to give me a shout on 07894 636 707 if you need any more help and I will do my best.

Raj