Highly concentrated, Colorex watercolour ink withstands heavy dilution with water.
It can be used pure or diluted according to the intensity required. The white, totally opaque, can lighten the different shades and extend the range towards pastel tones. Silver, rich gold and pale gold colours are generally used pure.
The range of 60 colours, of which 3 primaries and 1 semi-indelible trichromatic black in perfect chromatic balance, unable mixing colour experiments.
To achieve masking effects, use Drawing Gum.
Graphic India ink, opaque, satin black and with a good lightfastness, completes harmoniously the range of Colorex inks. As with all inks, Colorex is sensitive to ultraviolet rays.
To prevent excessive fading of colour over time, images can be protected with a UV varnish.