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Message: <blockquote data-quote="sunsanvil" data-source="post: 106231" data-attributes="member: 2206">Its worth pointing out that some acrylic lines are solvent based, others are not.  With something like Tamiya, there is a crap load of glycol ether in the paint and we just add more when we thin it with X20A.  You could say its not "as bad" as lacquer thinner, but I wore an OV respirator back when I used it. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />Now with a true solvent free paint like Vallejo ModelAir, you don't have any urgent need to evacuate solvent fumes, but you do have another interesting issue to address:  paint "dust", which is literally what you have when its 8+ inches out from the gun.  Not toxic per sÃ© but you still don't want to breath it so a N95 (or better still P100) respirator is called for, but the real problem is that without a booth, after a couple models, every horizontal surface in the room will have a thin coat of paint dust (comes off with a wet cloth easy enough).   I was looking into a making a simple air filter to capture the paint dust but then a booth came my way so I dropped it but if anyone is interested I think I still have the droplet size data KenS (Badger) gave me for sizing filter media.</blockquote>