QUALITY: Transparent, intense and very bright colours. Solvent based, ready to use. Colours can be mixed together. Good lightfastness. Use with the Cerne Relief. DRYING: 1 hour to the touch, completely dry after 8 hours. Drying times can vary depending on the thickness of the application, and the temperature and humidity of the room where the product is applied. SURFACES: Glass, polyester, acetate... THINNER: Odourless mineral spirit or white spirit. CARING (decorated surfaces): After drying, the colour bear a light wash without soaking. Resistant to glass cleaner. The objects decorated with Vitrail colours should not be considered for practical usage, but only intended for decorative purposes. TOOLS: Pébéo Cobra deco or Iris brushes. BRUSH CLEANING: Odourless mineral spirit or white spirit.