Thinners was designed to act like heat set thinning medium. It is used when you wish to apply a thicker paint. Wet the area before applying your mix to enhance performance for blending. It also slows down Drying time. Use a small brush in a pouncing action to blend creases.
It also slows drying time . Add a few drops to your paint mix.
Please note - It may add shine if using it instead of water, always add a drop of matte concentrate to your mix to stop shine.
(Ratio example 1 paint-5 thinner-1 drop of matte concentrate) Always test, as some vinyls react differently. Add more matte concentrate if needed.