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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 42919.6-2023 |
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 6: Comparative method based on temperature modulation technology 塑料 导热系数和热扩散系数的测定 第6部分：基于温度调制技术的比较法 |
China National Standards Plastic |
 English PDF |
| GB/T 42919.4-2023 |
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method 塑料 导热系数和热扩散系数的测定 第4部分:激光闪光法 |
China National Standards Plastic |
English PDF |
| GB/T 42919.3-2023 |
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 3: Temperature wave analysis method 塑料 导热系数和热扩散系数的测定 第3部分：温度波分析法 |
China National Standards Plastic |
English PDF |
| GB/T 42919.1-2023 |
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 1: General principles 塑料 导热系数和热扩散系数的测定 第1部分:通则 |
China National Standards Plastic |
English PDF |
| GB/T 42918.1-2023 |
Plastics - Thermoplastic polyurethanes for molding and extrusion - Part 1: Nomenclature system and basis for classification 塑料 模塑和挤出用热塑性聚氨酯 第1部分：命名系统和分类基础 |
China National Standards Plastic |
English PDF |
| GB/T 33061.7-2023 |
Plastics - Determination of dynamic mechanical properties - Part 7: Non-resonant torsional vibration method 塑料 动态力学性能的测定 第7部分: 非共振扭转振动法 |
China National Standards Plastic |
English PDF |
| GB/T 33061.6-2023 |
Plastics - Determination of dynamic mechanical properties - Part 6: Non-resonant shear vibration method 塑料 动态力学性能的测定 第6部分：非共振剪切振动法 |
China National Standards Plastic |
English PDF |
| GB/T 33061.5-2023 |
Plastics - Determination of dynamic mechanical properties - Part 5: Non-resonant bending vibration method 塑料 动态力学性能的测定 第5部分：非共振弯曲振动法 |
China National Standards Plastic |
English PDF |
| GB/T 33061.4-2023 |
Plastics - Determination of dynamic mechanical properties - Part 4: Non-resonant tensile vibration method 塑料 动态力学性能的测定 第4部分: 非共振拉伸振动法 |
China National Standards Plastic |
English PDF |
| GB/T 7139-2023 |
Plastics. Homopolymers and copolymers of vinyl chloride. Determination of chlorine content. 塑料 氯乙烯均聚物和共聚物 氯含量的测定 |
China National Standards Plastic |
English PDF |
| GB/T 33636-2023 |
Pneumatic Plug-in fittings for Plastic pipes 气动 用于塑料管的插入式管接头 |
China National Standards Plastic |
English PDF |
| GB/T 41638.3-2023 |
Plastics - Carbon and environmental footprints of bio-based plastics - Part 3: Requirements and guidelines for the quantification of process carbon footprints 塑料 生物基塑料的碳足迹和环境足迹 第3部分：过程碳足迹 量化要求与准则 |
China National Standards Plastic |
English PDF |
| GB/T 41638.2-2023 |
Plastics - Carbon and environmental footprints of bio-based plastics - Part 2: Carbon footprint of materials - Amount (mass) of CO2 incorporated into polymer molecules from the air 塑料 生物基塑料的碳足迹和环境足迹 第2部分：材料碳足迹 由空气中并入到聚合物分子中CO2的量（质量） |
China National Standards Plastic |
English PDF |
| GB/T 42764-2023 |
Plastics - Evaluation of the intrinsic aerobic biodegradability of materials exposed to marine inoculum under laboratory mesophilic conditions - Test methods and requirements 塑料 在实验室中温条件下暴露于海洋接种物的材料固有需氧生物分解能力评估 试验方法与要求 |
China National Standards Plastic |
English PDF |
| GB/T 42612-2023 |
Compressed hydrogen Plastic liner carbon fiber fully wound gas cylinder for vehicles 车用压缩氢气塑料内胆碳纤维全缠绕气瓶 |
China National Standards Plastic |
English PDF |
| GB/T 42610-2023 |
Test method for compatibility between Plastic liner and hydrogen gas of high-pressure hydrogen cylinder 高压氢气瓶塑料内胆和氢气相容性试验方法 |
China National Standards Plastic |
English PDF |
| GB/T 4937.32-2023 |
Semiconductor devices - Methods of mechanical and climatic tests - Part 32: Flammability of Plastic encapsulated devices (externally induced) 半导体器件 机械和气候试验方法 第32部分：塑封器件的易燃性（外部引起的） |
China National Standards Plastic |
English PDF |
| GB/T 4937.31-2023 |
Semiconductor devices - Methods of mechanical and climatic tests - Part 31: Flammability of Plastic encapsulated devices (internal origin) 半导体器件 机械和气候试验方法 第31部分：塑封器件的易燃性（内部引起的） |
China National Standards Plastic |
English PDF |
| GB/T 39248-2020 |
Specification for thermoPlastic multi-layer (non-vulcanized) hose and hose assemblies for conveying liquefied petroleum gas and liquefied natural gas "No. 1 Amendment" 输送液化石油气和液化天然气用热塑性塑料多层（非硫化）软管及软管组合件 规范《第1号修改单》 |
China National Standards Plastic |
English PDF |
| GB/T 24721.5-2023 |
Glass fiber reinforced Plastic products for road use - Part 5: Base plates for markings 公路用玻璃纤维增强塑料产品 第5部分：标志底板 |
China National Standards Plastic |
English PDF |
| GB/T 24721.4-2023 |
Glass fiber reinforced Plastic products for road use - Part 4: Unpressurized communication manhole covers 公路用玻璃纤维增强塑料产品 第4部分：非承压通信井盖 |
China National Standards Plastic |
English PDF |
| GB/T 24721.3-2023 |
Glass fiber reinforced Plastic products for road use - Part 3: Pipes 公路用玻璃纤维增强塑料产品 第3部分：管道 |
China National Standards Plastic |
English PDF |
| GB/T 24721.2-2023 |
Glass fiber reinforced Plastic products for road use - Part 2: Pipe boxes 公路用玻璃纤维增强塑料产品 第2部分：管箱 |
China National Standards Plastic |
English PDF |
| GB/T 24721.1-2023 |
Glass fiber reinforced Plastic products for road use - Part 1: General 公路用玻璃纤维增强塑料产品 第1部分：通则 |
China National Standards Plastic |
English PDF |
| GB/T 22048-2022 |
Determination of specific phthalate Plasticizers in toys and children's products 玩具及儿童用品中特定邻苯二甲酸酯增塑剂的测定 |
China National Standards Plastic |
English PDF |
| GB/T 1040.2-2022 |
Plastics - Determination of tensile properties - Part 2: Test conditions for molded and extruded plastics 塑料 拉伸性能的测定 第2部分：模塑和挤塑塑料的试验条件 |
China National Standards Plastic |
English PDF |
| GB/T 41639-2022 |
Plastics Determination of disintegration rate of plastic materials under laboratory-scale simulated composting conditions 塑料 在实验室规模模拟堆肥化条件下塑料材料崩解率的测定 |
China National Standards Plastic |
English PDF |
| GB/T 41638.1-2022 |
Plastics - Carbon and environmental footprints of bio-based plastics - Part 1: General principles 塑料 生物基塑料的碳足迹和环境足迹 第1部分：通则 |
China National Standards Plastic |
English PDF |
| GB/T 2546.2-2022 |
Plastics - Polypropylene (PP) molding and extrusion materials - Part 2: Specimen preparation and property determination 塑料 聚丙烯(PP)模塑和挤出材料 第2部分:试样制备和性能测定 |
China National Standards Plastic |
English PDF |
| GB/T 2546.1-2022 |
Plastics - Polypropylene (PP) molding and extrusion materials - Part 1: Nomenclature system and basis of classification 塑料 聚丙烯(PP)模塑和挤出材料 第1部分:命名系统和分类基础 |
China National Standards Plastic |
English PDF |
| GB/T 20564.6-2022 |
High-strength cold-rolled steel sheets and strips for automobiles—Part 6: Transformation-induced Plasticity steels 汽车用高强度冷连轧钢板及钢带 第6部分：相变诱导塑性钢 |
China National Standards Plastic |
English PDF |
| GB/T 19812.6-2022 |
Plastic water-saving irrigation equipment - Part 6: Polyethylene (PE) pipes for water delivery 塑料节水灌溉器材 第6部分：输水用聚乙烯（PE）管材 |
China National Standards Plastic |
English PDF |
| GB/T 18997.2-2020 |
Aluminum Plastic composite pressure pipe part 2: aluminum pipe butt welded aluminum plastic pipe No. 1 amendment 铝塑复合压力管 第2部分：铝管对接焊式铝塑管《第1号修改单》 |
China National Standards Plastic |
English PDF |
| GB/T 18997.1-2020 |
Aluminum Plastic composite pressure pipes - Part 1: lap welded aluminum plastic pipes for aluminum pipes - amendment No. 1 铝塑复合压力管 第1部分：铝管搭接焊式铝塑管《第1号修改单》 |
China National Standards Plastic |
English PDF |
| GB/T 26255-2022 |
Steel Plastic conversion fittings of polyethylene (PE) pipeline system for gas 燃气用聚乙烯（PE）管道系统的钢塑转换管件 |
China National Standards Plastic |
English PDF |
| GB/T 20887.4-2022 |
High strength hot rolled steel sheet and strip for automobile part 4: transformation induced Plastic steel 汽车用高强度热连轧钢板及钢带 第4部分:相变诱导塑性钢 |
China National Standards Plastic |
English PDF |
| GB/T 18743.2-2022 |
ThermoPlastics pipes - Determination of impact strength of simply supported beams - Part 2: test conditions for pipes of different materials 热塑性塑料管材 简支梁冲击强度的测定 第2部分：不同材料管材的试验条件 |
China National Standards Plastic |
English PDF |
| GB/T 18743.1-2022 |
ThermoPlastics pipes - Determination of impact strength of simply supported beams - Part 1: General test methods 热塑性塑料管材 简支梁冲击强度的测定 第1部分：通用试验方法 |
China National Standards Plastic |
English PDF |
| GB/T 16422.4-2022 |
Plastics - laboratory light source exposure test methods - Part 4: open carbon arc lamps 塑料 实验室光源暴露试验方法 第4部分：开放式碳弧灯 |
China National Standards Plastic |
English PDF |
| GB/T 16422.3-2022 |
Plastics - laboratory light source exposure test methods - Part 3: fluorescent ultraviolet lamps 塑料 实验室光源暴露试验方法 第3部分：荧光紫外灯 |
China National Standards Plastic |
English PDF |
| GB/T 16422.2-2022 |
Plastics - laboratory light source exposure test methods - Part 2: Xenon arc lamps 塑料 实验室光源暴露试验方法 第2部分：氙弧灯 |
China National Standards Plastic |
English PDF |
| GB/T 41501-2022 |
Determination of interlaminar shear strength and modulus of fiber reinforced Plastic composites by double beam method 纤维增强塑料复合材料 双梁法测定层间剪切强度和模量 |
China National Standards Plastic |
English PDF |
| GB/T 41498-2022 |
Test method for in-plane shear stress / shear strain response and shear modulus using shear frames for fiber reinforced Plastic composites 纤维增强塑料复合材料 用剪切框测定面内剪切应力/剪切应变响应和剪切模量的试验方法 |
China National Standards Plastic |
English PDF |
| GB/T 41494-2022 |
Aluminum alloy Plastic lined composite pipes and fittings 铝合金衬塑复合管材与管件 |
China National Standards Plastic |
English PDF |
| GB/T 41489-2022 |
Plastics polyamide determination by gas chromatography ε- Caprolactam and ω- Dodecalactam 塑料 聚酰胺 气相色谱法测定ε-己内酰胺和ω-十二内酰胺 |
China National Standards Plastic |
English PDF |
| GB/T 41488-2022 |
Terms, definitions and nomenclature symbols of Plastic prepregs 塑料 预浸料 术语定义和命名符号 |
China National Standards Plastic |
English PDF |
| GB/T 41666.3-2022 |
Plastic piping systems for Trenchless repair of underground pressureless drainage networks - Part 3: close fitting lining method 地下无压排水管网非开挖修复用塑料管道系统 第 3 部分：紧密贴合内衬法 |
China National Standards Plastic |
English PDF |
| GB/T 38725.1-2022 |
Coiled reinforced Plastic pipes - Part 1: General 可盘绕式增强塑料管 第1部分：总则 |
China National Standards Plastic |
English PDF |
| GB/T 41378-2022 |
Plastics Blow-molded polypropylene containers for liquid food packaging 塑料 液态食品包装用吹塑聚丙烯容器 |
China National Standards Plastic |
English PDF |
| GB/T 41345-2022 |
General technical requirements for compression molding molds for Plastic bottle caps 塑料瓶盖压塑成型模具通用技术要求 |
China National Standards Plastic |
English PDF |
| GB/T 41974.1-2022 |
Plastics - Color masterbatches - Part 1: Nomenclature system and basis of classification 塑料 色母料 第1部分：命名系统和分类基础 |
China National Standards Plastic |
English PDF |
| GB/T 5568-2022 |
Rubber or Plastics hoses and hose assemblies - Hydraulic impulse test without deflection 橡胶或塑料软管及软管组合件 无曲挠液压脉冲试验 |
China National Standards Plastic |
English PDF |
| GB/T 30923-2022 |
Plastic polypropylene (PP) meltblown special material 塑料 聚丙烯（PP）熔喷专用料 |
China National Standards Plastic |
English PDF |
| GB/T 22530-2022 |
Safety requirements for rubber and Plastic injection molding machines 橡胶塑料注射成型机安全要求 |
China National Standards Plastic |
English PDF |
| GB/T 8333-2022 |
Plastics - Test method for combustion behavior of rigid foamed plastics - Vertical combustion method 塑料 硬质泡沫塑料燃烧性能试验方法 垂直燃烧法 |
China National Standards Plastic |
English PDF |
| GB/T 42279-2022 |
Vulcanized or thermoPlastic rubber Determination of tensile set at constant elongation and determination of tensile set, elongation and creep at constant tensile load 硫化橡胶或热塑性橡胶 在恒定伸长率下测定拉伸永久变形及在恒定拉伸载荷下测定拉伸永久变形、伸长率和蠕变 |
China National Standards Plastic |
English PDF |
| GB/T 39693.8-2022 |
Vulcanized rubber or thermoPlastic rubber - Determination of hardness - Part 8: Determination of apparent hardness of rubber rollers by Zhao's hardness (P&J) method 硫化橡胶或热塑性橡胶 硬度的测定 第8部分：赵氏硬度（P&J)法测定胶辊的表观硬度 |
China National Standards Plastic |
English PDF |
| GB/T 39693.7-2022 |
Vulcanized rubber or thermoPlastic rubber - Determination of hardness - Part 7: Determination of the apparent hardness of rubber rollers by the Shore hardness method 硫化橡胶或热塑性橡胶 硬度的测定 第7部分：邵氏硬度法测定胶辊的表观硬度 |
China National Standards Plastic |
English PDF |
| GB/T 42122-2022 |
Vulcanized rubber or thermoPlastic rubber - Determination of abrasion resistance (modified Lamborn abrasion tester method) 硫化橡胶或热塑性橡胶 耐磨性能的测定（改进型兰伯恩磨耗试验机法） |
China National Standards Plastic |
English PDF |
| GB/T 29165.2-2022 |
Oil and gas industry - Glass fiber reinforced Plastic pipes - Part 2: Evaluation and manufacture 石油天然气工业 玻璃纤维增强塑料管 第2部分：评定与制造 |
China National Standards Plastic |
English PDF |
| GB/T 29165.1-2022 |
Oil and gas industry - Glass fiber reinforced Plastic pipes - Part 1: Vocabulary, symbols, applications and materials 石油天然气工业 玻璃纤维增强塑料管 第1部分：词汇、符号、应用及材料 |
China National Standards Plastic |
English PDF |
| GB/T 41927-2022 |
Plastics - Thermoset molding compounds - Short-term performance evaluation at elevated temperatures 塑料 热固性模塑料 高温下的短期性能评估 |
China National Standards Plastic |
English PDF |
| GB/T 41926-2022 |
Plastics - Determination of 1,2-ethylene glycol content in epoxy resins 塑料 环氧树脂 1,2-乙二醇含量的测定 |
China National Standards Plastic |
English PDF |
| GB/T 41928-2022 |
Plastics epoxy resins - Determination of degree of crosslinking of crosslinked epoxy resins by differential scanning calorimetry (DSC) 塑料 环氧树脂 差示扫描量热法（DSC）测定交联环氧树脂交联度 |
China National Standards Plastic |
English PDF |
| GB/T 41929-2022 |
Plastics - epoxy resins - test methods 塑料 环氧树脂 试验方法 |
China National Standards Plastic |
English PDF |
| GB/T 41931-2022 |
Plastics/Rubber Polymer Dispersions and Synthetic Rubber Latex Freeze-Thaw Cycle Stability Test 塑料/橡胶 聚合物分散体和合成橡胶胶乳 冻融循环稳定性试验 |
China National Standards Plastic |
English PDF |
| GB/T 41935-2022 |
Plastics - Artificial weathering with acid deposits 塑料 含酸性沉积的人工气候老化 |
China National Standards Plastic |
English PDF |
| GB/T 41932-2022 |
Plastics - Determination of fracture toughness (GIC and KIC) - Linear elastic fracture mechanics (LEFM) method 塑料 断裂韧性（GIC和KIC）的测定 线弹性断裂力学（LEFM）法 |
China National Standards Plastic |
English PDF |
| GB/T 41933-2022 |
Plastics - Determination of tension-tension fatigue crack growth - Linear elastic fracture mechanics (LEFM) method 塑料 拉-拉疲劳裂纹扩展的测定 线弹性断裂力学(LEFM)法 |
China National Standards Plastic |
English PDF |
| GB/T 41934-2022 |
Plastics - Determination of vertical flame spread of films and sheets 塑料 薄膜和薄片垂直火焰蔓延的测定 |
China National Standards Plastic |
English PDF |
| GB/T 2406.3-2022 |
Plastics - Determination of combustion behavior by the oxygen index method - Part 3: High temperature test 塑料 用氧指数法测定燃烧行为 第3部分：高温试验 |
China National Standards Plastic |
English PDF |
| GB/T 11546.2-2022 |
Plastics - Determination of creep properties - Part 2: Three-point bending creep 塑料 蠕变性能的测定 第2部分:三点弯曲蠕变 |
China National Standards Plastic |
English PDF |
| GB/T 19466.5-2022 |
Plastics - Differential scanning calorimetry (DSC) - Part 5: Determination of characteristic reaction curve temperature, time, enthalpy of reaction and conversion 塑料 差示扫描量热法(DSC) 第5部分: 特征反应曲线温度、时间，反应焓和转化率的测定 |
China National Standards Plastic |
English PDF |
| GB/T 41936.2-2022 |
Plastics - Determination of torsional rigidity of flexible materials - Part 2: Plasticized vinyl chloride homopolymers and copolymers 塑料 柔性材料扭转刚度的测定 第2部分: 增塑氯乙烯均聚物和共聚物 |
China National Standards Plastic |
English PDF |
| GB/T 41936.1-2022 |
Plastics - Determination of torsional stiffness of flexible materials - Part 1: General method 塑料 柔性材料扭转刚度的测定 第1部分:通用方法 |
China National Standards Plastic |
English PDF |
| GB/T 33061.11-2022 |
Plastics - Determination of dynamic mechanical properties - Part 11: Glass transition temperature 塑料 动态力学性能的测定 第11部分: 玻璃化转变温度 |
China National Standards Plastic |
English PDF |
| GB/T 41937-2022 |
Rubber or Plastics coated fabrics-Physical-mechanical property tests-Determination of flex resistance by deflectionometer method 橡胶或塑料涂覆织物 物理机械性能试验 挠度仪法测定耐曲挠性 |
China National Standards Plastic |
English PDF |
| GB/T 41758.1-2022 |
Plastics - Polyketone (PK) molding and extrusion materials - Part 1: Nomenclature system and basis of classification 塑料 聚酮（PK）模塑和挤出材料 第1部分：命名系统和分类基础 |
China National Standards Plastic |
English PDF |
| GB/T 41874-2022 |
Plastic Polyphenylene ether (PPE) resin 塑料 聚苯醚（PPE）树脂 |
China National Standards Plastic |
English PDF |
| GB/T 41873-2022 |
Plastic Polyether ether ketone (PEEK) resin 塑料 聚醚醚酮（PEEK）树脂 |
China National Standards Plastic |
English PDF |
| GB/T 1038.2-2022 |
Plastics - Films and sheets - Test methods for gas permeability - Part 2: Equal pressure method 塑料制品 薄膜和薄片 气体透过性试验方法 第2部分：等压法 |
China National Standards Plastic |
English PDF |
| GB/T 1038.1-2022 |
Plastics - Films and sheets - Test methods for gas permeability - Part 1: Differential pressure method 塑料制品 薄膜和薄片 气体透过性试验方法 第1部分：差压法 |
China National Standards Plastic |
English PDF |
| GB/T 41792-2022 |
Plastics - Films and sheets - Determination of cold cracking temperature 塑料制品 薄膜和薄片 冷裂温度的测定 |
China National Standards Plastic |
English PDF |
| GB/T 41791-2022 |
Plastics Films and sheets Non-oriented polyethylene terephthalate (PET) sheet 塑料制品 薄膜和薄片 无取向聚对苯二甲酸乙二醇酯（PET）片材 |
China National Standards Plastic |
English PDF |
| GB/T 41682-2022 |
Determination of headspace gas content in food Plastic packaging containers - sensor method 食品塑料包装容器中顶空气体含量的测定 传感器法 |
China National Standards Plastic |
English PDF |
| GB/T 21239-2022 |
Test method for compressive properties of fiber reinforced Plastic laminates after impact 纤维增强塑料层合板冲击后压缩性能试验方法 |
China National Standards Plastic |
English PDF |
| GB/T 1844.3-2022 |
Plastics - Symbols and abbreviations - Part 3: Plasticizers 塑料 符号和缩略语 第3部分：增塑剂 |
China National Standards Plastic |
English PDF |
| GB/T 1844.2-2022 |
Plastics - Symbols and abbreviations - Part 2: Fillers and reinforcing materials 塑料 符号和缩略语 第2部分：填料和增强材料 |
China National Standards Plastic |
English PDF |
| GB/T 41709-2022 |
Carbon fiber reinforced Plastics - Determination of size and aspect ratio of pulverized material 碳纤维增强塑料 粉碎料尺寸和长宽比的测定 |
China National Standards Plastic |
English PDF |
| GB/T 24135-2022 |
Rubber or Plastics coated fabrics - Accelerated aging test 橡胶或塑料涂覆织物 加速老化试验 |
China National Standards Plastic |
English PDF |
| GB/T 1844.1-2022 |
Plastics - Symbols and abbreviations - Part 1: Base polymers and their characteristic properties 塑料 符号和缩略语 第1部分：基础聚合物及其特征性能 |
China National Standards Plastic |
English PDF |
| GB/T 41877.1-2022 |
Plastics - Ethylene-vinyl alcohol (EVOH) copolymer molding and extrusion materials - Part 1: Nomenclature system and basis of classification 塑料 乙烯-乙烯醇（EVOH）共聚物模塑和挤出材料 第1部分：命名系统和分类基础 |
China National Standards Plastic |
English PDF |
| GB/T 41877.2-2022 |
Plastics - Ethylene-vinyl alcohol (EVOH) copolymer molding and extrusion materials - Part 2: Specimen preparation and property determination 塑料 乙烯-乙烯醇（EVOH）共聚物模塑和挤出材料 第2部分: 试样制备和性能测定 |
China National Standards Plastic |
English PDF |
| GB/T 41878-2022 |
Plastics - Determination of scratch properties 塑料 划痕性能的测定 |
China National Standards Plastic |
English PDF |
| GB/T 41879-2022 |
Plastics - Burning behavior - Medium-scale fire tests of fiber-reinforced polymer composites 塑料 燃烧性能 纤维增强聚合物复合材料的中等尺寸耐火测试 |
China National Standards Plastic |
English PDF |
| GB/T 41762.2-2022 |
Fiber reinforced Plastic composites - Determination of through-thickness properties of laminates - Part 2: Determination of elastic modulus, strength and Weibull size effect of carbon fiber unidirectional laminates by bending tests 纤维增强塑料复合材料 层合板厚度方向性能的测定 第2部分：弯曲试验测定碳纤维单向层合板的弹性模量、强度和威布尔尺寸效应 |
China National Standards Plastic |
English PDF |
| GB/T 41880-2022 |
Plastics - epoxy resins - determination of electrical conductivity of aqueous extracts 塑料 环氧树脂 水萃取液电导率的测定 |
China National Standards Plastic |
English PDF |
| GB/T 3517-2022 |
Natural raw rubber - Determination of Plasticity retention (PRI) 天然生胶 塑性保持率（PRI）的测定 |
China National Standards Plastic |
English PDF |
| GB/T 41758.2-2022 |
Plastics - Polyketone (PK) molding and extrusion materials - Part 2: Preparation of test specimens and determination of properties 塑料 聚酮（PK）模塑和挤出材料 第2部分：试样制备和性能测定 |
China National Standards Plastic |
English PDF |
| GB/T 40611-2021 |
Plastics—Determination of aerobic biodegradation of non-floating plastic materials in a seawater/ sandy sediment interface—Method by measuring the oxygen demand in closed respirometer 塑料 海水沙质沉积物界面非漂浮塑料材料最终需氧生物分解能力的测定 通过测定密闭呼吸计内耗氧量的方法 |
China National Standards Plastic |
English PDF |
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