Ghent releases GWG2015 PDF Specification

The Ghent Workgroup (GWG) has released the GWG2015 PDF Specification for print and packaging production. The new GWG2015 PDF Specification describes file setting and workflow processing requirements necessary to achieve the highest quality production and exchange efficiency of PDF files. Compliance with the new GWG2015 PDF Specification ensures quality consistency across the supply chain up to printing and publishing. The GWG2015 Specification is built on the modern ISO PDF/X-4 standard, and adds a number of specific requirements for different market segments, called variants. The variant ‘family’ covered by the GWG2015 PDF Specification is heatset and coldset printing – it includes more conservative variants restricted to the use of CMYK and more progressive variants allowing wider gamut color spaces for image content. The GWG2015 PDF Specification for packaging addresses offset, gravure and flexographic printing. Leading the creation of this specification were the chairs of the packaging committee, Steve Carter from PhotoType and Lieven Plettinckx of Esko. They comment, “Because of the unique requirements inherent in the process, we needed to develop a dedicated PDF Specification for…

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