This is kind of a silly question, but I use Zinser Bullseye on a lot of projects. I mostly make small things for knitters. I have always brushed it on and then buffed it with steel wool to eliminate any runs, drips, or uneven finish. But I ran across a little air brush that I've had for probably 40 years and never used. I think it might be an old Craftsman back from when Craftsman was a quality product. Anyway, I know you can spray shellac, but the stuff I make would be blown across the room by a spray gun and I was wondering if anyone had used a small air brush (and this thing is small - the containers look to be about 2 oz.) for shellac. I think this might give me the control I need for these small pieces. Any experience would be appreciated.
Not an airbrush but I have turned my fullsize gun down to 6-8 psi and no fan, which acts similar to a large airbrush. Should be ok. I'd use a 1to 1-1/2# cut. Just have to play with it to find out. Actually a full size gun can be turned down quite low and work well with the right tip and needle.
Like OSU55 said, you can dial back a regular gun. But since you have an airbrush, the answer is yes, it'll work fine. I'd go down to a 1 lb cut, but if it sputters, go thinner.
Shellac is no different than spraying water or whatever cleaner you want through a brush compared to most airbrush paints. No need to cut shellac from my experiences. Somewhere around 20 to 30 psi where I have sprayed.
That said lot easier to just use a rattle can and avoid the clean up of the air brush. Zinsser Spray Shellac is around 8 bucks a can and will last a long time for small projects. I typically use it as a seal coat prior to painting on many of the fishing lures I make.
I use my Badger air brush for shellac frequently. Works great. I did get a larger spray needle and orifice for it which helps and I also purchased some larger bottles for it which are handy if needed. I haven't found clean-up to be an issue; either DNA or an ammonia solution works well.
Just use household ammonia to clean the airbrush after spraying shellac. DNA thins, but ammonia attacks the shellac and cleans it right up.
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