GB/T 42946 - 2023 specifies the requirements for Stability of ordinary image printing paper. The standard specifies the performance indicators that paper needs to meet under the influence of environmental factors such as temperature and Humidity changes and light, including Dimensional Stability, Color Stability and Physical Strength Stability. There are corresponding specifications from raw material selection, production process to finished product testing, providing mass control basis for printing paper manufacturers, helping the printing industry to ensure that the image printing effect is lasting, meeting the needs of paper stability in fields such as Encasement and book printing, and ensuring the long-term preservation of printing products. Mass.