Desired grade of gloss not attainable
Ink
Problem
1. Wrong ink system.
2. Insufficient ink transfer.
Solution
1. Use glossy ink.
2. Double print.
Cliche
Problem
1. Etching depth too shallow.
2. Wrong screen ruling.
3. Wrong cliche type.
Solution
1. Produce new cliche with greater etching depth.
2. Test new cliche with different fineness of halftone screen.
3. Use different cliche type.
Pad
Problem
1. Surface too rough.
2. Wrong shape.
Solution
1. Replace pad.
2. Use more tapered pad shape.
Substrate
Problem
1. Structure of material unsuitable.
2. Material unsuitable.
Solution
1. Structure of substrate influences result.
2. Ink looks matte due to stress cracks.
Other
Due to the thin layers of ink inherent in pad printing, it is generally not possible to attain as high a grade of
gloss as with screen printing.
