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AS ISO 12647.2-2008
$149.01
Graphic technology — Process control for the production of half-tone colour separations, proof and production prints, Part 2: Offset lithographic processes
Adopts ISO 12647-2:2004 to specify a number of process parameters and their values to be applied when preparing colour separations for four-colour offset printing or when producing four-colour prints by one of the following methods: heat-set web, sheet-fed or continuous forms process printing, or proofing for one of these processes; or offset proofing for half-tone gravure.
Table of contents
Header
About this publication
Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Data files, colour-separation films and printing formes
4.2.1 General
4.2.2 Film or printing forme quality
4.2.3 Screen frequency (film or printing forme)
4.2.4 Screen angle (film or printing forme)
4.2.5 Dot shape and its relationship to tone value (film or printing forme)
4.2.6 Image size tolerance (film or printing forme)
4.2.7 Tone value sum (digital data file or film)
4.3 Proof or production print
4.3.1 General
4.3.2 Visual characteristics of image components
4.3.2.1 Print substrate colour
4.3.2.2 Print substrate gloss
4.3.2.3 Ink set colours
4.3.2.4 Ink set gloss
4.3.3 Tone-value reproduction limits
4.3.4 Tolerance for image positioning
4.3.5 Tone-value increase
4.3.5.1 Aim values
4.3.5.2 Tolerances and mid-tone spread
5 Test methods — Tone value and tone-value increase of a print
