respirator for spraying epoxy primer? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 04-29-2017, 07:44 PM
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respirator for spraying epoxy primer?

I know supplied are is best but what are other options that are not supplied air?

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Old 04-29-2017, 11:14 PM
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I have used one of the dual canister style but be sure and use fresh elements when you use one of those. And have plenty of fresh air where you are spraying. Not the best and not recommended but can work in a pinch. Commercial guys use the fresh air units because they work better and the constant need for new canister elements can get spendy over time.

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Old 04-30-2017, 05:03 AM
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I use the disposable charcoal mask too. Its the same one I use for painting just keep it zipped up in the bag when not it use. something else I find incredibly handy is the head sock. mostly it keeps hair out of your paint but it also keeps primer and paint out of your hair. you cant beat it for a couple bucks.
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Old 04-30-2017, 08:31 AM
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Quote:
Originally Posted by deadbodyman View Post
I use the disposable charcoal mask too. Its the same one I use for painting just keep it zipped up in the bag when not it use. something else I find incredibly handy is the head sock. mostly it keeps hair out of your paint but it also keeps primer and paint out of your hair. you cant beat it for a couple bucks.
Yep the head sock is a must for me.

https://www.pksafety.com/allegro-spr...poOBoCulbw_wcB



And Big Truck Driver, air movement, VERY,VERY important!

Think about this, it's simple math. Your respirator is designed to filter out a certain amount of molecules of bad stuff from a certain amount of good stuff, makes sense right? So if you have MORE good stuff, the respirator can do it's job. If you have too much bad stuff the respirator can't keep up. A room full of overspray will SERIOUSLY overwhelm a respirator.

Painting or priming inside of the body,in the trunk or engine compartment can change everything too. If you are in there, the overspray isn't leaving, it's trapped in that confined area too.

Be sure you have good air movement to get that overspray away from you and put more good air in it's place so your respirator can keep up.

Brian
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Old 04-30-2017, 03:18 PM
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I use these:

3M Organic Vapor/Acid Gas Respirator Assembly 5303 Large https://www.amazon.com/dp/B000GULTRC..._5pLbzbPG1DV84

We use them at work dealing with organic chemicals and polyurethanes (isocyanates, it's what I make, lots of it). They are proven and approved for use at work and using them in a shop with good air flow is child's play for them. I use them when spraying, sanding pretty much anything, or even when cutting and welding some materials. They work great. My sinuses and allergies pretty much mean if I do anything that creates dust or aerosol, I will get a sinus infection. Since I have begun using these for anything, I have not had a single flare up the day or two after doing anything of the sort.
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Old 04-30-2017, 03:20 PM
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Let me add that they will not protect against low oxygen atmosphe! You will die if you get into an atmosphere where oxygen has been replaced (nitrogen, argon, helium, etc). Those instances require supplied air only!
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Old 05-06-2017, 04:05 PM
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One more thing, If you have whiskers/full beard, anything other than a positive pressure mask will not do much good. Better than nothing at all, but as you breath, you will be breathing through your whiskers, and not through the filters.
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