GB/T 31123-2014 Paperboard for solid food packaging

GB/T 457-2008 Paper and board—Determination of folding endurance GB/T 1541-2013 Paper and board—Determination of dirt GB/T 10342-2002 Paper—Package and mark GB/T 22363-2008 Paper and board—Determination of roughness(air leak methods)—Bendtsen method and print-surf method GB/T 22364-2008 Paper and board—Determination of resistance to bending GB/T 147-1997 Writing paper and certain classes printed matter—Untrimmed sizes GB/T 147-2020 Untrimmed sizes of printing, writing and drawing paper 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 451.2-2002 Paper and board—Determination of grammage GB/T 451.2-2023 Paper and board—Part 2:Determination of grammage GB/T 451.3-2002 Paper and board—Determination of thickness GB/T 456-2002 Paper and board—Determination of smoothness (Bekk method) 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 1540-2002 Paper and board-Determination of water absorption-Cobb method 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 5009.78-2003 Method for analysis of hygienic standard of papers for food packaging GB/T 7974-2002 Paper, board and pulp-Measurement of brightness—Diff/Geometry GB/T 7974-2013 Paper,board and pulps—Measurement of diffuse blue reflectance factor—D65 brightness(Diff/ Geometry,Outdoor daylight conditions) GB/T 7975-2005 Paper and board—Determination of color(diffuse reflectance method) GB 9685-1994 Hygienic standard for adjuvants and processing aids in food containers and packing materials GB 9685-2003 Hygienic standard for adjuvants and processing aids in food containers and packaging materials GB 9685-2008 Hygienic standards for uses of additives in food containers and packaging materials GB 9685-2016 Food Safety National Standards for Additives Used in Food Contact Materials and Products Standard 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 11680-1989 Hygienic standard of paper used for food packaging GB/T 22805.2-2008 Paper and board—Determination of grease resistance—Part 2:Surface repellency test GB/T 26203-2010 Paper and board—Determination of internal bond strength(Scott type) GB/T 26203-2023 Paper and board—Determination of internal bond strength (Scott type) GB/Z 147-2025 Course development guide for education about standardization—Automation standardization