China's Four-Colour Printing Characterization Input Data Standard Set to Take Effect on 1 May 2007
A national standard governing the characterization of four-colour printing will enter into force on 1 May 2007. Formally titled GB/T 20439-2006 Graphic Technology — Prepress Digital Data Exchange — Input Data for Characterization of Four-Colour Printing, it has been approved by the Standardization Administration of China and delivered to the Standards Press of China for publication, with official public release expected by the end of this year.
Developed by the National Technical Committee on Printing Standardization on the basis of ISO 12642, the document is a recommended national printing standard. It defines a palette comprising 928 combinations of cyan, magenta, yellow and black ink values, and this palette was measured so as to supply colour characterization data for the principal printing specifications. Its specific technical content is equivalent to the American national standard IT 8.7/3-1993, and it acts as a companion standard to the national standard GB/T 18721-2002 Graphic Technology — CMYK Standard Colour Image Data (CMYK/SCID).
——Reprinted from China Packaging Network (pack.cn); original link: http://news.pack.cn/show-362283.html
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