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GB/T 42918.1-2023 Plastics—Thermoplastic polyurethanes for moulding and extrusion—Part 1:Designation system and basis for specifications $255.00 via email in 1~3 business day valid
GB/T 42918.2-2023 Plastics—Thermoplastic polyurethanes for moulding and extrusion—Part 2: Preparation of test specimens and determination of properties $315.00 via email in 1~5 business day valid
GB/T 42919.1-2023 Plastics—Determination of thermal conductivity and thermal diffusivity—Part 1: General principles $345.00 via email in 1~5 business day valid
GB/T 42919.3-2023 Plastics—Determination of thermal conductivity and thermal diffusivity—Part 3 : Temperature wave analysis method $285.00 via email in 1~3 business day valid
GB/T 42919.4-2023 Plastics—Determination of thermal conductivity and thermal diffusivity—Part 4:Laser flash method $285.00 via email in 1~3 business day valid
GB/T 42919.6-2023 Plastics—Determination of thermal conductivity and thermal diffusivity—Part 6：Comparative method for low thermal conductivities using a temperature-modulation technique $285.00 via email in 1~3 business day valid
GB/T 42920-2023 Plastics—Assessment of the fire characteristics and fire performance of fibre-reinforced plastic composites $435.00 via email in 1~5 business day valid
GB/T 42922-2023 Plastics—Determination of matter extractable by organic solvents—Chemical methods $345.00 via email in 1~5 business day valid
GB/T 42924.1-2023 Plastics—Smoke generation—Determination of the corrosivity of fire effluents—Part 1: General concepts and applicability $170.00 via email in 1~3 business day valid
GB/T 42924.4-2023 Plastics—Smoke generation—Determination of the corrosivity of fire effluents—Part 4: Dynamic decomposition method using a conical radiant heater $345.00 via email in 1~3 business day valid
GB/T 43084.1-2023 Plastics—Fluoropolymer dispersions and moulding and extrusion materials—Part 1: Designation system and basis for specifications $400.00 via email in 1~5 business day valid
GB/T 43084.2-2023 Plastics—Fluoropolymer dispersions and moulding and extrusion materials—Part 2: Preparation of test specimens and determination of properties $400.00 via email in 1~5 business day valid
GB/T 43085-2023 Plastics—Polymer dispersions—Determination of the content of free formaldehyde $255.00 via email in 1~3 business day valid
GB/T 43086-2023 Plastics—Polymer dispersions—Determination of sieve residue $160.00 via email in 1~3 business day valid
GB/T 43282.1-2023 Plastics—Determination of the aerobic biodegradation of plastic materials exposed to seawater—Part 1: Method by analysis of evolved carbon dioxide $315.00 via email in 1~3 business day valid
GB/T 43282.2-2023 Plastics—Determination of the aerobic biodegradation of plastic materials exposed to seawater—Part 2: Method by measuring the oxygen demand in closed respirometer $315.00 via email in 1~3 business day valid
GB/T 43287-2023 Plastics—Determination of the degree of disintegration of plastic materials in marine habitats under real field conditions $330.00 via email in 1~5 business day valid
GB/T 43288-2023 Plastics—Soil biodegradable materials for mulch films for use in agriculture and horticulture—Requirements and test methods regarding biodegradation, ecotoxicity and control of constituents $345.00 via email in 1~5 business day valid
GB/T 43289-2023 Plastics—Test methods for determination of degradation rate and disintegration degree of plastic materials exposed to marine environmental matrices under laboratory conditions $315.00 via email in 1~5 business day valid
GB/T 43297-2023 Plastics—Methodology for assessing polymer photoageing—FTIR and UV/visible spectroscopy $435.00 via email in 1~5 business day valid
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