Krylon S00601 Sprayon EL601 Red Insulating Varnish 15 oz Aerosol por | 18 Jul 2026Model KRYL S00601. Sprayon EL601 Red. • For use as an insulating varnish in Class F (310°F) applications, as well as a finish coat. • Application: Insulating spray for general coatings, impregnating and insulating electrical and electronic work.