CY/T 61-2009 "Control and detection method of box-making process of paper printing products" specifies the terms and definitions, process control of box-making process, mass requirements and detection methods involved in the box-making process of paper printing products. This standard is applicable to the box-making process of paper printing products, but also to the box-making process of corrugated fibreboard. By implementing this standard, the control of the box-making process and the Stability of the product mass can be ensured, while the production efficiency and the qualified rate of the finished product can be improved. Measuring methods and tool standards, including paper and Cardboard thickness determination, plastic film wetting tension test methods, etc. are referenced to ensure the accuracy and conformity of the test.