GB/T 40353-2021 Air filter paper

GB/T 6165-2008 Test methed of the performance of high efficiency particulate air filter—Efficiency and risistance GB/T 22364-2018 Paper and board—Determination of bending resistance GB/T 34844-2017 Wallpaper GB/T 450-2002 Paper and board—Sampling for testing GB/T 450-2008 Paper and board—Sampling for testing and identification of machine and cross direction,wire side and felt side GB/T 451.1-2002 Paper and board—Determination of size and deviation GB/T 462-2003 Paper and board—Determination of moisture content GB/T 462-2008 Paper,board and pulp—Determination of moisture content of analytical sample GB/T 462-2023 Paper, board and pulps—Determination of moisture content of analytical sample GB/T 742-2003 Paper,board and pulp—Determination of residue(ash) on ignition at 900℃ GB/T 742-2008 Fibrous raw material,pulp,paper and board—Determination of ash GB/T 742-2018 Fibrous raw material,pulp,paper and board—Determination of residue(ash)on ignition at 575 ℃ and 900 ℃ GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 10342-2002 Paper—Package and mark 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)