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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 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 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.

HTH, mikey
my signature lines...not really directed at anyone in particular..

BE different....ACT normal.

No one is completely useless..They can always be used as a bad example
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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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