2021 year China issued GB standards list


	GB/T 40006.3-2021 Plastics—Recycled plastics—Part 3:Polypropylene(PP) materials 塑料再生塑料第3部分：聚丙烯(PP)材料
	GB/T 3836.3-2021 Explosive atmospheres—Part 3：Equipment protection by increased safety“e” 爆炸性环境第3部分：由增安型“e”保护的设备
	GB/T 40784.1-2021 Information technology. Biometric profiles for interoperability and data interchange -- Part 1: Overview of biometric systems and biometric profiles 信息技术用于互操作和数据交换的生物特征识别轮廓第1部分：生物特征识别系统概述和生物特征识别轮廓
	GB/T 40069-2021 Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensional (2D) materials—Raman spectroscopy method 纳米技术石墨烯相关二维材料的层数测量拉曼光谱法
	GB/T 40224-2021 Plastics boxes used for rainwater infiltration,attenuation and storage 雨水渗透、调蓄、储存用塑料模块
	GB/T 40233-2021 Ergonomics of the thermal environment—Instruments for measuring physical quantities 热环境的人类工效学物理量测量仪器
	GB/T 10395.21-2021 Agricultural and forestry machinery—Safety—Part 21:Rotary tedders and rakes 农林机械安全第21部分：旋转式摊晒机和搂草机
	GB/T 40231-2021 Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatography method 电子电气产品中的限用物质六价铬的测定方法离子色谱法
	GB/T 40863-2021 Assessment technical specification for eco-design product -- Motor products 生态设计产品评价技术规范? 电动机产品
	GB/T 40228-2021 Guide for the control of some chemicals in apparel accessories and components 服装配件和组件中部分化学物质控制指南
	GB/T 40578-2021 Measurement methods for noise emitted by light-duty vehicles in multiple driving mode conditions 轻型汽车多工况行驶车外噪声测量方法
	GB/T 40664-2021 General requirements for high-throughput sequencing technologies of detecting nucleic acid samples 用于高通量测序的核酸类样本质量控制通用要求
	GB/T 39560.5-2021 Determination of certain substances in electrical and electronic products—Part 5: Cadmium，lead and chromium in polymers and electronics and cadmium and lead in metals by AAS，AFS，ICP-OES and ICP-MS 电子电气产品中某些物质的测定第5部分： AAS、AFS、ICP-OES和ICP-MS法测定聚合物和电子件中镉、铅、铬以及金属中镉、铅的含量
	GB/T 40710-2021 Container electronics seal and the system based on NFC 基于NFC的集装箱电子箱封及系统
	GB/T 31723.413-2021 Metallic communication cable test methods—Part 4-13: Electromagnetic compatibility (EMC)—Coupling attenuation of links and channels(laboratory conditions)—Absorbing clamp method 金属通信电缆试验方法第4-13部分：电磁兼容链路和信道(实验室条件)的耦合衰减吸收钳法
	GB/T 19545.5-2021 Assistive products for walking，manipulated by one arm—Requirements and test methods—Part 5: Walking sticks and canes with seat 单臂操作助行器具要求和试验方法第5部分:带座手杖
	GB/T 40922-2021 Telemark ski-boots for adults—Interface with Telemark ski-bindings—Requirements and test methods 成人特里马滑雪靴特里马滑雪板固定器接口要求和试验方法
	GB/T 40928-2021 Telemark skis and bindings—Binding mounting area—Requirements and test methods 特里马滑雪板固定器安装区要求和试验方法
	GB/T 40415-2021 Determination of light transmittance for the photovoltaic glass module used in building 建筑用光伏玻璃组件透光率测试方法
	GB/T 41057-2021 Technical requirements for distributed acoustic optical fiber monitoring system on prestressed concrete cylinder pipe 预应力钢筒混凝土管分布式光纤声监测技术要求

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