GB/T 13505-2025 Pure insulating pulp

GB/T 13505-2007 Pure insulating pulp

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 740-2003 Pulps—Sampling for testing 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 1545-2008 Paper,board and pulp—Determination of acidity or alkalinity GB/T 1546-2004 Pulps-Determination of Kappa number GB/T 1546-2018 Pulp—Determination of Kappa number GB/T 1548-2004 Pulps-Determination of viscosity GB/T 1548-2016 Pulps—Determination of limiting viscosity number in cupri-ethylenediamine(CED) solution GB/T 2678.2-2021 Paper,board and pulps—Determination of water-soluble chlorides GB/T 2678.6-2023 Paper,board and pulp—Determination of water-soluble sulfates 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 3332-2004 Pulps-Determination of beating degree(Schopper-Riegler method) 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 7977-2007 Paper, board and pulps—Determination of conductivity of aqueous extracts GB/T 8940.2-2002 Pulp—Preparation of laboratory sheets for the measurement of brightness GB/T 10740-2002 Pulp—Estimation of dirt and shives GB/T 22902-2008 Pulps—Determination of acetone-soluble matter GB/T 22902-2025 Pulps—Determination of acetone-soluble matter GB/T 24323-2009 Pulps—Laboratory sheets—Determination of physical properties GB/T 24324-2009 Pulps—Preparation of laboratory sheets for physical testing—Conventional sheet-former method GB/T 24325-2009 Pulps—Laboratory beating—Valley beater method GB/T 24326-2009 Pulps—Preparation of laboratory sheets for physical testing—Rapid-K●then method GB/T 29287-2012 Pulps—Laboratory beating—PFI mill method GB/T 40272-2021 Paper,board,pulps and cellulose nanomaterials—Determination of acid-soluble magnesium,calcium,manganese,iron,copper,sodium and potassium