GB/T 24323-2009 Pulps—Laboratory sheets—Determination of physical properties

GB/T 458-2008 Paper and board—Determination of air permeance GB/T 451.3-2002 Paper and board—Determination of thickness GB/T 454-2002 Paper—Determination of bursting strength GB/T 454-2020 Paper—Determination of bursting strength GB/T 455-2002 Paper and board determination of tearing resistance GB/T 457-2002 Paper—Determination of folding endurance (Schopper method) GB/T 457-2008 Paper and board—Determination of folding endurance GB/T 2679.6-1996 Corrugating medium—Determination of the flat crush resistance after laboratory fluting GB/T 2679.8-1995 Paper and board—Determination of compressive strength—Ring crush method GB/T 2679.8-2016 Paper and board—Determination of compressive strength(Ring crush method) GB/T 2679.10-1993 paper and board—Compressive strength—Short span test GB/T 8940.2-2002 Pulp—Preparation of laboratory sheets for the measurement of brightness GB/T 10739-2002 Paper, board and pulps—Standard atmosphere for conditioning and testing GB/T 10739-2023 Paper,board and pulps—Standard atmosphere for conditioning and testing GB/T 12914-1991 Paper and board—Determination of tensile properties—Constant rate of elongation method GB/T 12914-2008 Paper and board—Determination of tensile properties GB/T 12914-2018 Paper and board—Determination of tensile properties—Constant rate of elongation method(20 mm/min) GB/T 22364-2008 Paper and board—Determination of resistance to bending GB/T 22364-2018 Paper and board—Determination of bending resistance GB/T 24324-2009 Pulps—Preparation of laboratory sheets for physical testing—Conventional sheet-former method GB/T 24326-2009 Pulps—Preparation of laboratory sheets for physical testing—Rapid-K●then method

ISO 5270:1998