Reply by Lazyman

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Posted on Activated Carbon Filters - Experience?

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4203 posts in 1952 days

#1 posted 02-17-2017 07:36 PM

Brian – I already use a 3M half-mask respirator with organic vapor cartridges, so that s covered. I m thinking more of keeping the concentration of fumes down enough to prevent ignition.

- Crashcup

If you are spraying enough paint in a confined space that ignition is a concern, then you definitely need to vent it to the outside. Even if a carbon filter can absorb some of the flammable gases, think about how much of it there is in liquid form in the paint (some propellants in rattle cans are very flammable too) that it would have to absorb to actually prevent it from building up in the confined space. Some of them may be oderless so you wouldn’t even know if the filter was working. Some finishes that you spray also atomize into the air and can be flammable in that form but you can use paint arrestor filters to capture most of fine airborne droplets—again, if you are spraying enough for ignition to be a concern, vent to the outside.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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