Respirator
Moderator
Joined: Aug 2002
Posts: 6,104
Likes: 384
From: Southern California
I would look for a name brand respirator, duel cartridge I prefer- easier to inhale/exhale, such as 3M or Scott...........because of the acrylics & hardeners, you want a resporator cartridge that is a multi-purpose, & good for both organics & inorganics. Grainger has these- around $50 IIRR
5th Wheeling
Joined: May 2011
Posts: 33
Likes: 0
Respirator
I would follow beechkid's advice....... and buy a brand name respirator like 3M or simular. We use the 3M throw away Disposible one's ( you can use them more than once if you keep them in the resealable bag it come's in). Other wise we have a fresh air unit, but they are pricey, and are not made for everybody depending on work load. I'm just about 50 YO and I will tell ya that I been doing this kind of work since I was a teenager, and I know my breathing is not as good now as it was when I was younger. Take care of your lung's, it's probably the only pair you'll ever have. And also use a good quality dust mask like 3M, not the cheap one's the good one's, especially when grinding, sanding primer, paint, anything that's got to do with dust from the chemical's in the product(s). I do know quite a bit about the medical field, as my youngest sister is a Doctor. Good Luck on your project.
Tuned
Joined: Aug 2007
Posts: 459
Likes: 123
From: Maryland
Using hardener in the enamel? If so, it has isocyanates in it, and I'd recomment the respirator with the full face mask. I have the one from 3M. Yes, a bit more expensive than the throw-aways, but it will keep the iso's out of your eyes. (they do enter your body through more than just your lungs)
Laughing Gas
Joined: Jan 2004
Posts: 758
Likes: 0
From: Texas
FYI: If you atomize isocyanate, OSHA does not allow cartridge respirators. You must use a supplied air respirator mask and pump.
One-man supplied air respirator pump circled in yellow.
One-man supplied air respirator pump circled in yellow.
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Senior User
Joined: Sep 2004
Posts: 192
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From: Grants Pass, Or.
OSHA allows cartridge respirators if they're positive pressure. I don't think this guy wants to buy any of those though as they all start at around $1000. 3-M Makes a good disposable respirator P/N 07192 for medium size that works well. A full face is always better but I believe 3M's start around $120, but the cartridges are replaceable. That stuff can go in through tear ducts so a full face will always be better.
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Postmaster
Joined: Apr 2000
Posts: 2,881
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From: North of Tulsa, Oklahoma
I can HIGHLY recommend NOT gettting the 3m pro painter mask from Lowes, or anyone else. This is not the full face model, but does use the replaceable cartridges. I bought one a month ago to replace my worn 8yr old 3m painting mask. This new one has two stretchy straps to secure it to your head. Unfortunately with the design there are no stops on the straps. So as you move around and moisture builds up in the mask gravity will pull the mask down. You will have to continually slide it up. It does not matter how tight you make the stretch straps. It's a crappy cheap design.
My 8yr old 3m mask had seperate straps with 4 attaching points which did not allow the mask to slide around on the face.
Sigh. Maybe this will help others avoid my frustration.
My 8yr old 3m mask had seperate straps with 4 attaching points which did not allow the mask to slide around on the face.
Sigh. Maybe this will help others avoid my frustration.
Laughing Gas
Joined: Jan 2004
Posts: 758
Likes: 0
From: Texas
I thought I would mention that I own a business and we use isocyanate. OSHA has been to my business twice. I assure you, if you atomize iso, OSHA only allows a full-face supplied air respirator. Cartridges are not allowed.
Allegro is a fairly popular brand of supplied air respirators.
Allegro is a fairly popular brand of supplied air respirators.
Senior User
Joined: Sep 2004
Posts: 192
Likes: 0
From: Grants Pass, Or.
And I should mention that I sell safety equipment in Oregon and California and that is abosolutely not true.
3M
This product by 3M satisfies the OSHA requirements. Go ahead and ask. I even have copies of the forms that they've certified it at several of the shops in both states. As long as you have a cartridge changeout schedule you're good. As far as I know, it is the only positive pressure cartridge respirator out that is approved for organic vapors. OSHA has been hitting our area hard lately and I've sold more of these units because of it. Nobody likes carrying around a fresh air hose along with their gun's air hose and this solves that problem. I'd be happy to sell you one Truck Daddy if you want to get rid of that dinosaur survivair pump. You'll never go back.
3M
This product by 3M satisfies the OSHA requirements. Go ahead and ask. I even have copies of the forms that they've certified it at several of the shops in both states. As long as you have a cartridge changeout schedule you're good. As far as I know, it is the only positive pressure cartridge respirator out that is approved for organic vapors. OSHA has been hitting our area hard lately and I've sold more of these units because of it. Nobody likes carrying around a fresh air hose along with their gun's air hose and this solves that problem. I'd be happy to sell you one Truck Daddy if you want to get rid of that dinosaur survivair pump. You'll never go back.
Laughing Gas
Joined: Jan 2004
Posts: 758
Likes: 0
From: Texas
If you exceed the limits noted in the paragraph below, which I suppose we do in my industry, you must use a supplied air respirator, no exceptions.
From NIOSH:
Airborne MDI monomer concentrations in the spray enclosures during the spray-on application process routinely exceed both the NIOSH 10-minute ceiling limit (0.2 mg/m3) and the OSHA PEL as a 15-minute ceiling concentration (0.2 mg/m3).
From NIOSH:
Airborne MDI monomer concentrations in the spray enclosures during the spray-on application process routinely exceed both the NIOSH 10-minute ceiling limit (0.2 mg/m3) and the OSHA PEL as a 15-minute ceiling concentration (0.2 mg/m3).
Senior User
Joined: Sep 2004
Posts: 192
Likes: 0
From: Grants Pass, Or.
Yes, I finally agree with you. If you exceed those limits stated in your quotes which is a very small part of a very large article, you will need a supplied air respirator. And, as they state in that same article, it is extremely rare you will ever exceed those limits unless you're painting your semi truck in a barn with a box fan. In fact, in the tests in the article your refrence, they never exceed those levels which is where they get that basis. And, in that same article it is stated that in extreme cases with less air flow, they suggest the use of a supplied air respirator OR a PAPR respirator.
And if you want to do a little extra work you in fact can still pass OSHA and NIOSH requirements with a cartridge style half face respirator. It is a myth that you must use supplied air. It is less work because you don't have to have changeout schedules, air studies, and filter life tests, but there are many body shops using them still. If you want to read the COMPLETE guidelines, here they are:
Respiratory Protection. - 1910.134
And if you want to do a little extra work you in fact can still pass OSHA and NIOSH requirements with a cartridge style half face respirator. It is a myth that you must use supplied air. It is less work because you don't have to have changeout schedules, air studies, and filter life tests, but there are many body shops using them still. If you want to read the COMPLETE guidelines, here they are:
Respiratory Protection. - 1910.134
Cargo Master
Joined: Jul 2006
Posts: 3,014
Likes: 91
From: Concord, CA
Well he did state that he would be painting in a garage. I did that once with a standard cartridge respirator when I was uneducated. There is plenty of haze in the garage and I used an HLVP system which minimizes over spray. Hate to see what the air looks like using a standard gun system so I am pretty sure he will exceed the standards. I now use a full mask system with supplied positive pressure air.
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