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
112.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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