China 'GB/T 41638.2-2023
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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）
Issued Date:2023/5/23
Implemented Date:2023/12/1
Issued by:
The Standardization Administration of the People's Republic of China
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