Standards Development
This part of ISO 18937 provides information and general guidance relevant to the selection and operation of the methods of exposure described in detail in subsequent parts. It also describes general performance requirements for devices used for exposing printed material to laboratory light sources. Information regarding performance requirements is for producers of artificial accelerated lightfastness devices.
NOTE In the part of ISO 18937, the term “light source” refers to radiation sources that emit UV radiation, visible radiation, infrared radiation, or any combination of these types of radiation.
This document does not include test procedures for determining the effects of light exposure on the 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 the stability of the image itself, will determine the useful life of a print material.
Print image stability results determined for one printer model, software settings, colorant, and media combination may not be applicable to another printer model, software settings, colorant, and media combination.
For the purposes of this document, the terms and definitions given in ISO 18913 apply.
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