Zinc 2-Mercaptobenzothiazole (ZMBT) from China
ZMBT acts as a medium-speed rubber accelerator with excellent dispersion properties, used in tire and mechanical goods production. Classified in HTS 2930.90.92.31 as its organo-sulfur metal coordination compound principal use is rubber vulcanization per chapter coordination compound rules.
Duty Rate — China → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Metal content analysis required; declare zinc percentage accurately for duty computation
• Use UN-approved packaging for this combustible solid (UN 3077)
• Distinguish from rubber protective agents which classify under 3812.10