International Standard
ISO 18930:2011
Imaging materials — Pictorial colour reflection prints — Methods for evaluating image stability under outdoor conditions
Reference number
ISO 18930:2011
Edición 1
International Standard
Vista previa
ISO 18930:2011
No disponible en español
Publicado (Edición 1, 2011)
Esta norma se revisó y confirmó por última vez en 2021. Por lo tanto, esta versión es la actual.

ISO 18930:2011

ISO 18930:2011
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This International Standard describes test equipment and test procedures for determining the colour stability of

photographic colour images when subjected to outdoor conditions. It does not specify limits of acceptability or

failure criteria. Instead, it provides means for measuring image changes that take place during the aging of pictorial

photographic images and indicates the critical image-change parameters that should be reported. Users of this

International Standard should determine which test end-points best simulate the intended display application.

This International Standard is applicable to pictorial images made with digital printing media, for example:

— prints on coated papers, coated and uncoated clear and opaque films, vinyl, polyester, synthetic papers

and other plastic substrates, laminated and not laminated;

— dye-based and pigment-based inkjet prints with aqueous, solvent, phase-change, or UV curing inks;

— thermal dye and mass transfer;

— dye sublimation prints;

— digitally-printed dye-diffusion-transfer prints;

— liquid- and dry-toner xerographic prints;

— liquid toner electrostatic prints;

— digitally printed images made with traditional chromogenic and silver dye-bleach photographic materials;

— colour direct thermal prints.

In these digital printing processes, the ink laydown is controlled by means of digital pixel information, and all

of the settings and controls of the printing system can be documented and repeated. In contrast, for many

analogue printing systems, the control over the ink film thickness can be subject to manual adjustment. Window

graphics on the outside of windows are covered by this International Standard. Window graphics on the inside

of windows, for which sunlight is filtered by a layer of glass, will be covered by ISO 18937.

This International Standard does not include test procedures for physical stability of images, supports or

binder materials. However, it is recognized that in some instances physical degradation such as support

embrittlement, image layer cracking, or delamination of an image layer from its support, rather than image

stability, will determine the useful life of a print material.

NOTE Image print stability results determined for one printer model, ink set, printing mode, print resolution and

media combination are not applicable to image prints produced through another printer model, ink set, printing mode, print

resolution and media combination, even if the ink jet cartridges and/or media used in testing are the same.

Informaciones generales

  •  : Publicado
     : 2011-10
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 16
  • ISO/TC 42
  • RSS actualizaciones

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