Chlorinated Neoprene Rubber (CR) from China
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 — China → United States
37.5%
Rate breakdown
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
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
• 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