CY/T 104.3-2014 "Printing technology, paper and paperboard printing suitability test method, Part 3: printing permeability" specifies the test method of paper and paperboard printing permeability, including test principle, required instrument materials, sample preparation, test steps, result representation and test report. It is suitable for evaluating the penetration performance of paper and Cardboard inks in the printing process, which is of great significance to ensure the quality and effect of printing. The standard is under the jurisdiction of the National Technical Committee for Printing Standardization and issued by the State Administration of Press, Publication, Radio, Film and Television to provide standardized test methods for the printing industry.