Pigment printing


A photographic printing method, in which a halftone picture results from pigments embedded in gelatin. The primary material is a paper called "pigment paper", a paper coated with a mixture of gelatin and pigment. The paper is made light-resistant through a bath in chromcarbonate solution, then it is dried and photoprocessed with a halftone negative. Visit Manfred Rupp's site for Hans Ulrich's more thorough description of this process. He claims that pigment printing is the best photoprocess for color, tone and lightfastness known to date; indeed that it is the only color photopositive process that has its longevity, in contrast to the standard processes which hold their colorfastness and light-resistance no more than twenty years.

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