"ok, I haven't worked with PlasilGel 10, but when I have painted 'Smooth On' Platinum cure silicone, I have used 'Smooth-On' Psycho paint which is thinned with Toluene. I also used Toluene to clean the platinum cure…"
"I use white spirit ( english name for Mineral Spirits I believe) to thin silicone from a tube, which I tint with silcone pigments to paint on silicone. This will go through an airbrush.
Don't know if Acetone would work, but it's pretty…"