GB/T 39977-2021 (English Version) PDF

Scope: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of polymethylmethacrylate sheets for aquariums. This standard applies to polymethyl methacrylate sheets for aquariums made of methyl methacrylate as raw material and spliced through bulk polymerization (including single-layer polymerization and multi-layer polymerization), hereinafter referred to as "sheets".

GB/T 39977-2021 Referenced Document

GB/T 1033.1 Plastics.Methods for determining density of non-celluar plastics.Part1:Immersion method,liquid pyknometer method and titration method
GB/T 1036 Test method for coefficient of linear thermal expansion of plastics between -30℃ and 30℃ with a vitreous silica dilatometer
GB/T 1040.1 Plastics—Determination of tensile properties—Part 1:General principles
GB/T 1040.2 Plastics—Determination of tensile properties—Part 2: Test conditions for moulding and extrusion plastics*， 2022-07-11 Update
GB/T 1043.1 Plastics.Determination of charpy impact properties.Part 1:Non-instrumented impact test
GB/T 1633 Plastics--Thermoplastic materials--Determination of vicat softening temperature(VST)
GB/T 16422.2 Plastics—Methods of exposure to laboratory light sources—Part 2: Xenon-arc lamps*， 2022-04-15 Update
GB/T 2410 Determination of light transmittance and haze of transparent plastics
GB/T 2918 Standard environment for conditioning and testing of plastic specimens
GB/T 3398.2 Plastics.Determination of hardness.Part 2:Rockwell hardness
GB/T 9341 Plastic.Determination of flexural properties
HG/T 3862 Plastics. Test method of yellowness index

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