IFRA26
Reference Name: IFRA26Printing process definition: ISO 12647-3:2005, Coldset offset printing, contact exposed negative acting plates or computer to plate (tone value increase of 26%), newsprint, screen ruling 40 lines per cm
Responsible Organization:: Ifra, Washingtonplatz, 64287 Darmstadt, Germany. Phone: +49 6151 733-6. Fax: +49 6151 733-800. www.ifra.com.
Contact Information:
Ulrike Cremer
Programme Manager Training
Phone +49 6151 733-738
Fax: +49 6151 733-872
email: cremer@ifra.com
Documentation source: see ISO 12647-3
Electronic data source: 928 patches: IFRA26S.txt, 1485 patches: IFRA26L.txt, see also www.ifra.com.
Date created: June 2004
Measurement backing: white
TONAL VALUE INCREASE
Densitometric:
26%
Colorimetric:
TVI for cyan, magenta, yellow and black computed from colorimetric data is shown below.
50% 25.4, 25.8, 26.0, 26.1
40% 26.1, 26.0, 26.3, 26.4
Note that colorimetric TVI values will not exactly match densitometric TVI values. See What is colorimetric TVI?
For profiles see www.ifra.com.