Schmincke's liquid gum emulsion for masking specific fields, which should remain white, on watercolour paper, smooth drawing carton, photographs or films.
Apply undiluted with writing pen, cotton or wooden stick. To be coloured only after drying. Rubs off easily with finger or eraser. Do not leave liquid frisket longer on the grounding than 2 days. Remove completely as soon as possible. Rubs off easily with finger or eraser. Also recommended for airbrush.
According to paper quality, slight yellowing is possible. Clean equipment immediately with water and soap. Close bottle properly and avoid frost.