Chlorinated Neoprene Rubber (CR) from Canada
Chlorinated synthetic rubber derived from polychloroprene (neoprene) through chlorination, meeting the 95%+ monomer content requirement per subheading notes. Used primarily in adhesives, sealants, and corrosion-resistant coatings due to its oil and chemical resistance. Classified under 3911.90.70.00 as chlorinated synthetic rubber in primary form.
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
• Verify chlorination level and monomer composition via lab analysis to confirm 95%+ predominant unit per Chapter 39 notes
• Provide supplier certificates showing it's in primary form (not compounded or vulcanized) to avoid reclassification