China 'GB/T 12009.4-2016
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12009.4-2016
(Plastics - Aromatic isocyanates for the production of polyurethane - Part 4: Determination of isocyanate content - amendment No. 1) 塑料 聚氨酯生产用芳香族异氰酸酯 第4部分:异氰酸根含量的测定《第1号修改单》
Issued Date:2016
Implemented Date:2016
Issued by:
The Standardization Administration of the People's Republic of China