Trouble
Cause
Solution
 


The printed ink does not stop rubbing off like chalk powder after drying.

 


INK

Ink contains a lot of large particle pigments.

vehicle penetrates into paper excessively due to slow ink drying.

Shortage of vehicle that promotes setting of pigments.

 

Add 2% more drier.

Add 10% more overprint varnish.

 

 

PAPER

When the ink absorbency of paper
is excessively high, it may cause chalking because the vehicle penetrates into the paper too fast before pigment setting on the paper surface
.

  PRESS

Slow ink drying due to too much distribution of dampening water.

Slow ink drying due to improper conditioning of temperature and humidity.

 

 

Adjust the distribution of dampening water to avoid slow ink drying.

Cost the prints with overprint varnish.

 

 

Copyright 2001 A.S INK All rights reserved.
Room No. 405 Woolim E-Biz Center, 16, Yangpyeongdong 3-Ga, Youngdeungpo-Ku, Seoul, Korea.
Telephone : 82-2-2164-8220/4
Fax : 82-2-2164-8225

E-mail:asink@asink.com

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