GB/T 41638.2-2023
ActivePlastics—Carbon and environmental footprint of biobased plastics—Part 2:Material carbon footprint—Amount (mass) of CO2 removed from the air and incorporated into polymer molecule
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)