Establishment of the Print-Through Forecasting Model Based on the Optical Density Difference and its Application

Abstract

In order to control the print-through, the value of print-through resistance (PTR for short) was put forward to predict the print-through of lithograph. For 5 given paper samples, the relationships between their PTR and print-through (expressed with ΔD) was explored under three sets of printing condition in this paper. The results showed that the PTR increase could lead to decrease of the print-through value. In particular, no matter what kind of conditions, the print-through value was almost smaller than 0.04 when the PTR of those paper samples was larger than 72%, which seems to be the absence of print-through phenomenon.