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Old 08-21-2005, 05:35 PM
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Sand-blasting helmet w/ supplied air

Hi,

I've just finished sand-blasting my frame and parts of my cab, using a sand-blaster borrowed from a friend.

The next step is to prime and paint the frame with Endura (2K).

I was following a thread here recently on respirators, and even went so far as to shave of my mustache in preparation.

This thread recommended using a "supplied air" system, which now has me looking at the sand-blasting helmet which hooks up to shop air ... works like a charm for sand-blasting ...

Am I crazy thinking that it might work for spraying paint with iso's as well?

Signed,
Cheap Charlie

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Old 08-21-2005, 06:01 PM
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Where is the shop air compressor sucking air from?

This is a question? Have wondered about what the compressor sucks in. Does it matter?

Last edited by rrmccabe; 08-21-2005 at 06:43 PM.
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Old 08-21-2005, 07:07 PM
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i have fresh air hoods for paint and blasting. they have a charcoal filter on them.
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Old 08-21-2005, 07:10 PM
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content removed for safety reasons

Last edited by baddbob; 08-21-2005 at 07:53 PM.
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Old 08-21-2005, 07:29 PM
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Breathing compressor air is dangerous even if you filter it since carbon filters will not protect you from carbon monoxide and some other contaminants that can and do form in air compressors. There are breathing air outfits that are made to use with compressor air but these are complicated,expen$ive and have the NECESSARY carbon monoxide monitors built in to them. I know a lot of people use compressor air for breathing but it is very risky unless you use the engineered equipment built for this purpose. A mask with activated carbon filters does NOT make compressor air safe to breath!
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Old 08-21-2005, 07:39 PM
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OK, kinda what I was wondering.

Compressed ISO's
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Old 08-21-2005, 07:51 PM
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Quote:
Originally Posted by oldred
Breathing compressor air is dangerous even if you filter it since carbon filters will not protect you from carbon monoxide and some other contaminants that can and do form in air compressors. There are breathing air outfits that are made to use with compressor air but these are complicated,expen$ive and have the NECESSARY carbon monoxide monitors built in to them. I know a lot of people use compressor air for breathing but it is very risky unless you use the engineered equipment built for this purpose. A mask with activated carbon filters does NOT make compressor air safe to breath!
Yeah I know, I've got a Survive air systems fresh air unit that I run off of compressor air with the battery powered CO2 detector. And I've heard there are some real concerns running compressed air but I figured I'd just offer up my experiences with that home made setup my friend uses. I'll wash the post for safety sake. Bob
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Old 08-22-2005, 12:09 PM
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Limited exposure.

Hi and thanks for the opinions.

I was writing a long-winded reply, but decided against it.

I suppose that the answers totally depend on the amount of exposure.

I plan to do this one time, and all that I'm going to do is prime and paint the frame and suspension components using a few different colors for contrast. Perhaps I'll also prime the entire cab, and paint just the underside as well.

I think all of that can probably be done outdoors as I'm not REAL concerned with minor imperfections (dirt, bugs) on these areas. If my friend says it's OK to use the sandblaster helmet, I think I'll go that way , along with disposable coveralls, nitrile gloves, and boots.

If not, I'll wear a charcoal mask and goggles.

Ahh hell, maybe I'l just brush it on!

Wish me luck?

Don
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Old 08-22-2005, 01:45 PM
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I am with you on that.

I just dink around in the garage so not using anything but a Binks charcoal filter which I am not good about changing filters on !

So anything would be an improvement. I think for limited exposure anything you can do will help.

Rich
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Old 08-22-2005, 02:37 PM
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I too will agree that with limited exposure you can most times get away with a lot but I would not chance something like ISO or asbestos exposure even once and I don't think many of the pros would either. Silica from sandblasting is bad but the truth is at the mines we have dealt with dust and silica for years and the only people I have seen with silicosis problems were the ones who had heavy exposure for years and most of them were smokers. I suppose if one were to sandblast a car with no protection at all then you could very well do some serious harm but if only a small amount of exposure is dangerous then I know a bunch of miners, me included, who are in trouble. Be wise, don't take chances with your health but if you are using a carbon filter with prefilters for sandblasting and priming then you should have enough protection for that and a lot more.
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