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Old 01-26-2008, 10:57 PM
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Sandblast Cabinet Media

I've had my cabinet for about a year now. I first used sand which worked great, but it broke down really fast and had to be replaced too often. I then bought a bag of extremely fine glass beads. New problem - static electricity. I got shocked so bad that I had to sit down and take a break...no joke. It was like lighting. I immediately drained the cabinet and switched back to sand. I want to try a new media - something that will not shock me and won't break down over time. My main concern is the shocking thing - I have never got shocked from using the sand, only the glass beads. Any ideas?

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Old 01-26-2008, 11:18 PM
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Glad your alright!!!I had one with glass and it never happen to me.Not sure what caused that to happen.
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Old 01-26-2008, 11:50 PM
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Ground the cabinet.

Any time things move around past each other there is the potential of static electricity building up. When the voltage builds up enough ...it finds a way to something with an opposite charge.. If it is a person...well you found out..

Many things will generate a static charge when they move past each other, and create friction. Air, dust, grains of sand, liquids/dusts/ particulate matter in a pipe, hose or duct, hair on glass, shoes on wool carpet...etc,etc.

There have been many reports of flour dust in a processing plant or grain being loaded in a grain silo creating enough charge to create a spark big enough to self ignite. Wood shops are also prime places for static build up.


Put a wire from the metal part of the cabinet to ground, also install a ground wire from the metal gun body to ground.
That should dissipate the charge enough to keep you from getting your heart jump started.






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Old 01-31-2008, 01:32 PM
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SO... I have to ask, WHY don't you like to use sand? ..."it broke down!" ??? ...What it becomes powder? I use beach sand all the time, only problems I have is "extra stuff" getting into the hopper ...leaves, stuff I blasted off, cat cr*p, etc... Main problem is I loose it thru the cracks or holes in my home made blast cabinet.
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Old 02-01-2008, 10:49 PM
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Beach Sand

I also use sand (for most things) - I made a "filter" out of an old window screen to sift out the cooties before dumping the sand into the hopper. I re-filter the sand thru the screen from time to time to keep things flowing.

Sand has some drawbacks, but you can't beat the price!
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Old 02-09-2008, 05:22 PM
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Iv'e used silica sand for 30 yrs, never a problem, where's very good also.
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