Check the white ink layer quality on transparent film?
quality of color graphics printed on clear film is highly
dependent upon the white ink background. The white background
enhances the Chroma of colors, improves the readability of bar
codes or QR codes and helps meet target color specifications.
Color ink quality specifications are widely understood and
measured with industry-standardized instruments and techniques.
White ink specifications require different instruments and
techniques in order to obtain accurate and actionable
OPADENS – some background information
How do you check the white ink layer quality on transparent film