Chlorinated Nitrile Butadiene Rubber (HNBR-Cl) from China
High-performance chlorinated synthetic rubber based on hydrogenated nitrile butadiene rubber, with chlorinated units exceeding 95% by weight. Ideal for automotive seals and gaskets requiring heat and fluid resistance. Falls under 3911.90.70.00 for its primary form chlorinated structure.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Import Tips
• Submit FTIR or NMR test reports proving chlorination meets subheading purity standards
• Ensure declaration specifies 'primary forms' to distinguish from finished articles in 3926