Selling Acrylicos Vallejo Polyurethane Varnishes 60 ml, new water based polyurethane gloss, matt, and satin varnish superior permanent resistance and U.V. resistant for model kits. Dries to touch in one hour. To achieve a uniform coating, apply 2 coats of varnish in 4 hours interval. Clean up with soap and water. Can be use directly with airbrush of needle size 0.4 mm without dilution.