IFRA26

Reference Name: IFRA26

Printing 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:
WAN-IFRA

Contact Information:
Ingi Rafn Olafsson
Director of World Printers Forum | The World Association of News Publishers
email: ingi.olafsson@wan-ifra.org

CHARACTERIZATION DATA

Documentation source: see ISO 12647-3

Electronic data source:
928 patches: IFRA26S.txt,
1485 patches: IFRA26L.txt,
see also https://wan-ifra.org/wpf/icc/

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?

PROFILES
For profiles see https://wan-ifra.org/wpf/icc/