Home / Standards / GB/T 12009.4-2016 GB/T 12009.4-2016 Active Plastics—Aromatic isocyanates for use in the production of polyurethane—Part 4: Determination of isocyanate content 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 Standard Type GBT ICS 83.040 CCS G31 Status 现行 Issue Date 2016-02-24 Implementation 2016-09-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A