GB/T 45822-2025 Transparent glass-ceramics for mobile display cover

GB/T 2410-1980 Transparent plastics—Transmissivity and haze test GB/T 2410-2008 Determination of the luminous transmittance and haze of transparent plastics GB/T 2680-1994 Determination of light transmittance, solar direct transmittance, total solar energy transmittance and ultraviolet transmittance for glass in building and related glazing factors GB/T 2680-2021 Glass in building—Determination of light transmittance,solar direct transmittance,total solar energy transmittance,ultraviolet transmittance and related glazing factors GB/T 9258.2-2000 Coated abrasives—Grain size analysis—Part 2:Determination of grain size distribution of macrogrits P12 to P220 GB/T 9258.2-2008 Coated abrasives—Grain size analysis—Part 2:Determination of grain size distribution of macrogrits P12 to P220 GB/T 11942-2022 Test method of chroma for colour building materials GB/T 31958-2023 Substrate glass for amorphous silicon thin film transistor liquid crystal display device GB/T 32642-2016 Flat panel displays glass substrate surface roughness measurement method GB/T 36259-2018 High aluminum silicate cover glass for touch panel GB/T 37900-2019 Test method of hardness and fracture toughness for ultra-thin glass—Low-load vickers hardness indentation method GB/T 39815-2021 Test method for scratch resistance of ultrathin glass JC/T 678 GB/T 9258.2-2025 Coated abrasives—Determination and designation of grain size distribution—Part 2:Macrogrit sizes P12 to P220 JC/T 2912-2025 Glass-fiber-cored projectile constant test method