Originally Posted by
rhklenke
I don't want to tell anyone what to do, but here is a quote from an article on testing cartridge masks I found on Pubmed. Note that this is for guys who's job is painting cars - not us guys who use this stuff once in a blue moon...
"We conclude that negative pressure, air-purifying half-facepiece respirators equipped with organic vapor cartridges and paint prefilters provide effective protection against isocyanate exposure in spray and priming operations if workers are properly trained and fitted."
Bob
My post was sarcastic, but this is actually the way I paint. I have plenty of ventialtion (which comes with its own set of requirements as in make sure the area is very clean!). I spray on the upstream side of the ventilation, and you can visually see most of the overspray dissipiating downstream. Then when I take the mask off I do it inside and put it in a plastic bag before storing it. If I ever need to use the very deadly stuff such as Deft.....I give it to an expert to handle it, though I've used it myself in "airbrush" volumes.
Then again, McDonalds and Texas water is killing me at a higher rate than Isocytes.