A side note on glass beading: There are several different "flavors" of glass
beads
available, so when you go to your local industrial supply read the descriptions
carefully to sure you're getting what you expect.
Peter S.
B9471799
Larry Paulick wrote:
> Jeff, you make a very good point about sand blasters not removing
> grease. If you have a pressure blaster, then you most likely will have
> a hood over your head, and it gets hot, you sweat, it steams up, and
> your vision is not so good any more. As a result you see something and
> think it's stubborn, and you keep blasting, till you figure out that its
>grease.
>
> Experience is a great teacher, and you learn.
>
> Pressure blasters are good for lots of work, and large work. Suction
> blasters in a cabinet, which you can make with plywood, are good for
> small stuff, and you can switch from sand to glass beam media. Glass
> bead media is expensive, and you need to reuse it as much as possible,
> for the cost factor, but you should not use sand on alum, as you will
> ruin it.
>
> None of this is rocket science, but if you want to finish something
> right, blasting is the way, as it really cleans up the metal, and gives
> a good finish for the paint to bite to. English?
>
> BTW, I sand blasted my crossmember in my homemade plywood cabinet, by
> putting in 1/2 of the crossmember in the cabinet, and covering the hole
> with a old blanket. Worked fine, as at the time, I did not have a
> pressure blaster.
>
> Just time and learned experience.
>
> Larry
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