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FLEXO Magazine : March 2013
Table 1: ISO2846-5 SubSTraTe SpecS Current Spec Proposed Spec Target Tolerance Target Tolerance Colormetric Value L* 95.5 ± 2.0 94 ± 1.0 a* - 0.4 ± 1.0 0 ± 0.5 b* 4.7 ± 1.5 0 ± 0.5 Gloss ISO8254-1 70.0 min 80.0 max 70.0 min 80.0 max Mass per area g/m2 150 ± 150 ± 3 Optical Brightener wt% no spec 0% Roughness at 1N/mm2 0.9/1000 mm min 1.1/1000 mm max 0.9/1000 mm min 1.1/1000 mm max % Chemical pulp wt% no spec 100% Current spec: “Note, in practice there has been only one supplier of this material and it has become the defacto standard. This material is the gloss- coated wood free paper, Phoenix Imperial (2). 2) Phoenix Imperial APCOII/II, may be purchased from Scheufelen. Phoenix Imperial is the trade name of a product supplied by Scheufelen, D -73250 Lenningen, Germany. This information is given for the convenience of users of this part of ISO 2846 and does not constitute an endorsement by ISO of the product named. ” ultimate specification values are those for the actual printed result in every case. ISO 2846 is a specification on the inks. SubSTraTe aT ISSue A few years ago, consumer products companies and graph- ics suppliers were suggesting that the ISO 2846 color targets be consolidated to the litho targets to make designs even more portable for cross platform printing and to yield a more uniform ultimate color result. This obviously relaxes more barriers for flexo’s further penetration of the litho market. But FQC was concerned with this approach because no work had been done on the original ISO 2846-5 specs to demonstrate that whatever was specified for the standard inks meet the printed color target specifications (ISO 12647). 22 FLEXO march 2013 www.flexography.org Can your ITR Sleeve tell you where it’s been? Carey Color “Smart Sleeves” can! A Carey Color RFID encoded elastomer sleeve can tell you its history, from when, where, and who made it to how many times its been on press. But it doesn’t stop there. You can read the dimensions of Smart Sleeves instantly: length, inside and outside diameter, wall thickness, repeat, relief depth... What else do you want to know? How long has it been on the shelf? How many impressions has it made? With Smart Sleeves, you can know the answers to your questions now -- at your desk or on the pressroom floor. What else makes them “Smart Sleeves”? • Below surface engraving technology that controls press gain. • Capable of variable wall thicknesses with one BCD, which gives you the opportunity to grind and re-image existing sleeves from inventory for new jobs. • Specific elastomer compounds customized for your printing/ink type – it’s not one size fits all! • Sleeve sizes of up to 60” x 118”. www.careyweb.com For more information about: Kodak Flexcel Direct Smart Sleeves Call Carey Color Inc. at 800-555-3142. Or visit us at www.careyweb.com InfoFlex 2013 • Booth #208 What else makes them “Smart Sleeves”? • Below surface engraving technology that controls press gain. • Capable of variable wall thicknesses with one BCD, which gives you the opportunity to grind and re-image existing sleeves from inventory for new jobs. • Specific elastomer compounds customized for your printing/ink type – it’s not one size fits all! • Sleeve sizes of up to 60” x 118”. InfoFlex 2013 Booth #208