The gelatin layer of photographic papers is hydroscopic. Thus, auxiliary watery solutions can diffuse into the gelatin.
prevents water from penetrating the layer and ensures that way that the pigments remain fixed.
causes the colourants to disengage partially. To use it, the reducer is applied several times and, after it took effect, removed from the paper with a wet cloth.
is commonly applied on usual paper or cardboard. Used as an additive to photographic dyes, it ensures that the colours adhere to the paper.
One part of binder should be mixed with four or five parts of photographic dye. When water is added, too, the proportion of binder should be increased appropriately. In most cases, the ground surface should be covered with a thin layer of pure binder that may be liquidised with water.
Rohrer & Klingner’s retouching supplements are developed for the work with pigmented colours (gouaches), liquid dyes (Diaphoto translucent dyes), pencils and other retouching pens.
The products combined under this term are to be applied on the surface of the finished gouache retouching. The matt (30080) and glossy (30050) fixatives can be used to balance several degrees of lustre.
Calligraphy Ink, range 29700
Traditional Ink, range 28
Drawing Ink, range 29500
Products for Etching
Product Range for Lithography
Diaphoto glaze, range 31
Writing ink, range 40
Dokumentus, range 41
Water Colour for Artists, range 27
sketchINK®, range 42
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