Build-up on rubber blanket (Piling)

(Piling is a general term for all kinds of build-up)

Cause

Piling; material gradually builds up on the press blanket or plate.

  • Ink is too tacky
  • Ink is too unstable
  • Paper absorbency is too high
  • Too acid fount
  • Over heating of the press

Slight piling Moderate piling Severe piling