Download Web Offset Heatset Troubleshooting Guide

Transcript
Web Offset Heatset Troubleshooting Guide
Blocking
Symptom: Undesired adhesion between printed materials.
Ask about:
► Flexography
► Pub Gravure
► Pkg Gravure
► Sheetfed Offset
► UV
► Web Offset
► News Ink
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Cause:
1. Ink dries too slowly
2. Improper silicone applicator
setting
Solution:
1. See DRYING
2. Check concentration and reduce film
thickness
3. Excessive pressure on log or in
stack
3. Reduce strap pressure or reduce stack
height