Nitrile Rubber-Like Plastic O-Ring Seals from Canada
Circular cross-section O-ring seals made from synthetic nitrile-based plastic copolymer for hydraulic systems. Classified in 3926.90.45 as plastic seals where the named copolymer units exceed 95% by weight per subheading note (a)(2).
Duty Rate — Canada → United States
13.5%
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 monomer analysis report to confirm copolymer meets 95% threshold for plastic classification
• Label with durometer hardness and temperature ratings for customs verification
• Avoid common error of classifying with rubber goods; test for polymer vs elastomer distinction