The tendency of printing ink to shear and break into airborne droplets as it transfers between fast-moving rollers in the ink train. This creates a fine aerosol that coats the pressroom and can contaminate the printed sheets. Operators control it by adjusting ink tack, reducing roller speeds, or installing extraction hoods.
Heard on the job
The black unit started to mist heavily once we pushed the web speed past thirty thousand impressions an hour.
Also heard as
- fly