GB/T 39977-2021 General technical requirements for aquarium poly(methyl methacrylate) sheets

GB/T 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method GB/T 1034-1998 Plastics—Determination of water absorption GB/T 1034-2008 Plastics—Determination of water absorption GB/T 1036-1989 Determination for coefficient of linear expansion of plastics GB/T 1036-2008 Test method for coefficient of linear thermal expansion of plastics between-30 ℃ and 30 ℃ with a vitreous silica dilatometer GB/T 1040.1-2006 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.1-2018 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.2-2022 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1043.1-2008 Plastics—Determination of charpy impact properties—Part 1:Non-instrumented impact test GB/T 1633-2000 Plastics—Thermoplastic materials—Determination of Vicat softening temperature(VST) 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 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 3398.2-2008 Plastics—Determination of hardness—Part 2:Rockwell hardness GB/T 9341-2000 Plastics—Determination of flexural properties GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 16422.2-1999 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon—arc sources GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources GB/T 16422.2-2022 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc lamps HG/T 3862-2006 Plastics--Yellow index test method GB/T 1040.1-2025 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1633-2025 Plastics—Thermoplastic materials—Determination of Vicat softerning temperature(VST)