CATEGORIES

    GB/T 40920-2021《Leather—Tests for colour fastness—Colour fastness to cycles of to-and-fro rubbing》

    Active

    GB/T 22459.2-2022《Refractory mortars—Part 2：Determination of consistency using the reciprocating flow table method》

    Active

    GB/T 22459.1-2022《Refractory mortars—Part 1：Determination of consistency using the penetrating cone method》

    Active

    GB/T 42165-2022《Leather—Tests for colour fastness—Colour fastness to perspiration》

    Active

    GB/T 42653-2023《Test method for melt viscosity of glass》

    Active

    GB/T 42671-2023《Test method for surface roughness of carbon materials》

    Active

    GB/T 42950-2023《Leather—Tests for colour fastness—Colour fastness to saliva》

    Active

    GB/T 42949-2023《Leather—Tests for colour fastness—Colour fastness to rotational rubbing》

    Active

    GB/T 5766-2023《Test method of Rockwell hardness for friction materials》

    Active

    GB/T 5072-2023《Refractory products—Determination of cold compressive strength》

    Active

    GB/T 18449.1-2024《Metallic materials—Knoop hardness test—Part 1: Test method》

    Active

    GB/T 4340.1-2024《Metallic materials—Vickers hardness test—Part 1: Test method》

    Active

    GB/T 5270-2024《Metallic coatings on metallic substrates—Electrodeposited and chemically deposited coatings—Review of methods available for testing adhesion》

    Active

    GB/T 44549-2024《Test method for interfacial bond strength of ceramic materials at elevated temperatures》

    Active

    GB/T 44990-2024《Test method for interface bonding strength of coating by laser cladding repairing》

    Active

    GB/T 3520-2024《Test method for fineness of graphite》

    Active

    GB/T 29865-2024《Textiles—Tests for colour fastness—Colour fastness to rubbing—Small areas》

    Incoming

    GB/T 3920-2024《Textiles—Tests for colour fastness—Colour fastness to rubbing》

    Incoming

    GB/T 45044-2024《Textiles—Tests for colour fastness—Colour fastness to bleeding》

    Active

    GB/T 2999-2025《Refractory materials—Determination of bulk density of granular materials》

    Active

    GB/T 34219-2025《Refractory products—Determination of tensile strength at room temperature》

    Active

    GB/T 34218-2025《Refractory products—Determination of compressive strength at elevated temperatures》

    Active

    GB/T 3295-2025《Test method for specular gloss of ceramic ware》

    Active

    GB/T 9973-2025《Test methods for permeability of carbon materials》

    Active

    GB/T 46470-2025《Leather—Tests for colour fastness—Colour fastness to migration into polymeric material》

    Incoming

    GB/T 46471-2025《Leather—Tests for colour fastness—General principles of testing》

    Incoming

    GB/T 18328-2001《Guidance for selection of vibration generator system》

    Active

    GB/T 5698-2001《Glossary of color terms》

    Active

    GB/T 6060.3-2008《Surface roughness comparison specimen － Part 3：Spark-eroded，shot-blasted，grit-blasted，lapped，filed and polished surface》

    Active

    GB/T 3979-2008《Methods for the measurement of object color》

    Active