Chlorinated Nitrile Butadiene Rubber (HNBR-Cl) from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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