GB/T 451.2-2023 《Paper and board—Part 2: Determination of grammage》 Related products

GB/T 451.2-2023 "Paper and Cardboard Part 2: Determination of Quantification" specifies the method for measuring the quantification of paper and Cardboard. The standard covers a variety of quantitative determination methods, including air scale method, Pilflo method and layered bottle method. Quantification is an important indicator for measuring paper mass, which affects its thickness, strength and Miscellaneous physical properties, so it is of great significance for paper production and quality control. This standard provides a unified measurement standard for paper and Cardboard manufacturers, Quality inspection organizations and related industries to ensure that products meet market and customer requirements.