How long does the hairspray stay active? I want to paint tools, then spray my base coat/ camo and then chip it away. Will water still “lift” the hairspray for chipping even after about a week of being on the model?
I don’t know about a week, but even with a really heavy hairspray layer I couldn’t get some paint to lift after two days…
I’ve never waited that long, but I suspect that by the time your hairspray and your paint have fully ‘cured’ it will take a bit more work to get the paint to lift off. Maybe a bit more water than normal, and let it soak a bit. I’d try putting a 1/2 inch piece of wet sponge on the model for a few minutes, then see if the paint in that area comes off.