ISO 22526-2-2020 塑料.生物基塑料的碳和环境足迹.第2部分:材料碳足迹 从空气中去除并并入聚合物分子的二氧化碳量(质量)
Plastics — 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