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| Wilhelm posts preliminary longevity ratings for UltraChrome K3 |
| Wednesday, May 18, 2005 | by Eamon Hickey |
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Wilhelm Imaging Research has published preliminary print permanence ratings for prints made with Epson UltraChrome K3 inks on a Stylus Pro 9800 printer using a wide variety of papers.
For displayed prints that are framed under glass with a UV filter, the longevity figures range from 98 to more than 300 years, depending on several factors.
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