Screen Printing Inks for Reflective Vinyl Sheeting Which are used for Traffic signs & Road signs: Solvent-based inks: Solvent-based inks are popular for screen printing on reflective vinyl sheeting because they provide excellent adhesion and durability. They can be used on both flat and curved surfaces and are resistant to fading and weathering. UV-curable inks: UV-curable inks are cured by exposure to ultraviolet light, which makes them fast-drying and durable. They are also resistant to fading and weathering and can be used on both flat and curved surfaces.