GB/T 26391-2022 Toilet seat paper

GB/T 26391-2011 Toilet seat paper

GB/T 27741-2018 Paper and board—Determination of migratable fluorescent whitening agents GB 31604.49-2016 National Food Safety Standard for Food Contact Materials and Products: Determination of Arsenic, Cadmium, Chromium, and Lead, and Determination of Migration Quantities of Arsenic, Cadmium, Chromium, Nickel, Lead, Antimony, and Zinc JJF 1070-2005 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 455-2002 Paper and board determination of tearing resistance 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 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 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 24991-2010 Paper,board and pulps—Determination of lead content—Graphite furnace atomic absorption spectrometry method GB/T 24992-2010 Paper,board and pulps—Determination of arsenic GB/T 36420-2018 Tissue paper and products—Safety assessment management system of chemicals and materials GB/T 40358-2021 Toilet tissue paper and hand towel—Specification for the use of recycled fiber