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Respirator recommendations blueman 10-17-2006
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Posted by blueman on October 17, 2006, 5:02 pm


Looking for a good all-purpose respirator to save me from the variety
of particulates, solvents and fumes I encounter as I repair and/or build things
around my house. (I am now ready to graduate from disposable dust masks
and respirators)

Key features include:
- General purpose protection against most solvents and particles
- Comfortable fit plus easy to put-on/take-off
- Affordable (including affordable replacement cartridges)

Any recommendations?
How critical is sizing and individual comfort here? (the local Home
Depot seems to stock only the cheapo disposable masks and I don't know
where to go to "try on" and compare different ones)

Should I buy a separate less bulky "woodworker's" respirator to protect me from
dust and a separate cartridge one to protect from fumes or am I just
fine with an all-purpose one?

Thanks

Plumbing 468x60
Posted by Andy Dingley on October 17, 2006, 5:28 pm



blueman wrote:

> Looking for a good all-purpose respirator

3M half mask (3000 series?). In silicone rather than rubber if you want
to sweat less and pay a bit more. The filters are replaceable and
there's lots of them. They also do dust filters that clip over the fume
filters, which are handy if you are working in a dusty workshop but
need vapour protection too, without clogging an expensive filter too
soon.


Posted by Andy on October 17, 2006, 5:47 pm


> > Looking for a good all-purpose respirator

Good idea.
Yes, sizing is very important, and yes, HD is a bad place to buy a real
respirator. See if there's an industrial or safety or medical or
laboratory supply store near you that will let you try on a few models.
I found the 3m 7502 (7500 series, last digit refers to size) to fit
well and filter well, for about $20. I consider myself an
average-sized male, and the size Medium seals even over my gotee. Also
fits my wife's much narrower face just fine. To check for a good seal,
remove the filter cartridges, hold the mask gently against your face,
plug the holes with your thumbs, and try to breathe in. If you can't,
it seals well.
There are a wide variety of filter cartridges available for the 7500
series - the 2097 are rated for "nuisance-level" organic vapors and
particulates. I've used these cartridges for sanding, as well as with
a few various finishes and cleaning supplies, and with the mask on, I
can't smell anything at all of the solvent or dust. I don't think
you'd need the heavier-duty organic vapor cartridges unless you were in
extremely high-solvent-concentration areas for extended times, though
OSHA has ratings for all that.
Here is a link with the cheapest online source I could find for this
mask, and they also have various cartridges:
http://www.ottofrei.com/store/product.php?productid=6891&cat=0&page=1
Hope this helps,
Andy


Posted by Tom Nie on October 17, 2006, 5:52 pm


FWIW the NG came up with a website that had an excellent selection of brands
and types of masks at definitely better prices than Home Depot, etc. I
bought a whole selection to see which one I'd like best. The rubber mesh
coated looked better than it worked - very sweaty.

But the one I now commonly use looks weird but works. Yellow plastic with
mouthpiece, two tubes to behind the head and then two HEPA filter discs.
Still better particulate protection than the masks and LOTS easier to use if
you wear glasses or have a cold/allergies or if you're sweating. Quick and
easy to remove and can hang around your neck until you need it again (I
cover the mouthpiece with a cloth while not using). Doesn't matter if you're
wearing a helmet or faceshield or whatever kind of hat. Packard carries them
as well as Klingspor and others.

But if you want fumes as well then you've created a whole 'nuther monster.
From what I remember to eliminate fumes you have to pipe fresh air to your
enclosed headset. Kinda like a SCUBA diver.

TomNie

> Should I buy a separate less bulky "woodworker's" respirator to protect me
> from
> dust and a separate cartridge one to protect from fumes or am I just
> fine with an all-purpose one?
>
> Thanks



Posted by on October 17, 2006, 7:07 pm


look up Lab Safety Supply
something on the order of a silicone half mask is good.
Survivair was the last brand I bought.
different cartriges for different work
organic vapors for paint solvents
welding mist and fume for most dusts
blueman wrote:
> Looking for a good all-purpose respirator to save me from the variety
> of particulates, solvents and fumes I encounter as I repair and/or build things
> around my house. (I am now ready to graduate from disposable dust masks
> and respirators)
>
> Key features include:
> - General purpose protection against most solvents and particles
> - Comfortable fit plus easy to put-on/take-off
> - Affordable (including affordable replacement cartridges)
>
> Any recommendations?
> How critical is sizing and individual comfort here? (the local Home
> Depot seems to stock only the cheapo disposable masks and I don't know
> where to go to "try on" and compare different ones)
>
> Should I buy a separate less bulky "woodworker's" respirator to protect me from
> dust and a separate cartridge one to protect from fumes or am I just
> fine with an all-purpose one?
>
> Thanks


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