Puretch Photopolymer films

Puretch can only be used as an etching resist, because the film is very thin, much thinner then ImagOn Ultra rapid, DK-film or Z*Acyl. The film is laminated on a copper plate and exposed to UV light through a transparent positive image. The film is washed out in a soda sulution, only the exposed and hardened parts remain on the plate. The plate is etched in ferric-chloride, inked and printed. Very fine details are possible. This film cannot be used for Ïntaglio Type", this film is not thick enough to hold a dark black.

Click on the next links for more information about Puretch:

  1. Introduction of Puretch
    The film to be used as an etching resist; the method to combine photographic elements and the traditional approach.
  2. Examples of the fine details possible with Puretch
    Because of the thin layer (12 micron) lPuretch allows very fine details.
  3. Users instructions
    How to laminate the copper plate, to do exposure and the development
  4. Puretch and grey scales
    A little theory on computers, software, printers in combination with Puretch
  5. The 21 Step Stouffer Guide
    The method to compare and determine grey tones
  6. The exposure to the sun
    For this you do not need an exposure unit or a vacuumframe
  7. Puretch trouble shooting
    How to resolve problems
  8. Hoja de seguridad
Puretch processing guide written by Jennifer Page, Cape Fear Press. All rights reserved ©2001-2015.


Puretch film fotopolymero 61cm x 3 mtr

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Puretch es especial porque es más delgado que Imagon o DK-films. Esto hace que sea ideal para servir como barniz sensible a la luz.

Advertencia: La exposición prolongada a temperaturas superiores a 23 ° C puede causar daños. La película está compuesta de 3 capas; 2 capas de plástico transparente y entre el fotopolímero como un gel. Si este gel se derrite localmente, de modo que las 2 capas de plástico se toquen, la película no se puede usar en esta ubicación. Enviar la película a temperaturas más altas es bajo su propio riesgo.