NF Q64-001-1984 "Printing and Printing inks. Standard Printing Products" This standard specifies methods for the production of standardized printing products for evaluating the light fastness, resistance to physical and chemical reagent performance of printing products. It is suitable for the quality control of inks and substrates in the printing process, ensuring the Stability and durability of printing products under different environment conditions. The standard specifies test conditions, sample prepatives and evaluation methods, providing a unified set of performance evaluation specifications for the printing industry. Through a standardized testing process, the standard helps manufacturers optimize the printing process, improve product mass, and provide users with a reliable performance reference.