GB/T 39715.4-2021
塑料 生物基含量 第4部分:生物基物质含量的测定
Plastics—Biobased content—Part 4: Determination of biobased mass content
- 实施日期
- 2022-03-01
- ICS 分类
- 83.080.01
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 39715.4-2021
Plastics—Biobased content—Part 4: Determination of biobased mass content
GB/T 39715.3-2021
Plastics—Biobased content—Part 3:Determination of biobased synthetic polymer content
GB/T 39715.2-2021
Plastics—Biobased content—Part 2: Determination of biobased carbon content
GB/T 39715.1-2021
Plastics—Biobased content—Part 1: General principles
GB/T 33047.3-2021
Plastics—Thermogravimetry (TG) of polymers—Part 3: Determination of the activation energy using the Ozawa-Friedman plot and analysis of the reaction kinetics
GB/T 33047.2-2021
Plastics—Thermogravimetry (TG) of polymers—Part 2: Determination of activation energy
GB/T 15596-2021
Plastics—Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources
GB/T 2408-2021
Plastics—Determination of burning characteristics—Horizontal and vertical test
GB/T 39933-2021
Rotational moulding—Test method for low temperature impact
GB/T 39822-2021
Plastics—Determination of yellowness index and change in yellowness index
GB/T 39812-2021
Plastics—Preparation of test specimens by machining
GB/T 35795-2017
GB/T 39691-2020
Plastics—Determination of refractive index
GB/T 36805.2-2020
Plastics—Determination of tensile properties at high strain rates—Part 2: Direct testing method
GB/T 38787-2020
Plastics—Methods for the preparation of samples for biodegradation testing of plastic materials
GB/T 38737-2020
Plastics—Determination of the ultimate anaerobic biodegradation of plastic materials in controlled slurry digestion systems—Method by measurement of biogas production
GB/T 38292-2019
Determination of mercury in plastic materials
GB/T 38291-2019
Determination of lead in plastic materials
GB/T 38290-2019
Determination of cadmium in plastic materials
GB/T 38287-2019
Determination of hexavalent chromium in plastic materials