3913.90.10.00/Chloroprene Rubber (CR)/Canada

Chloroprene Rubber (CR) from Canada

Chloroprene rubber, a synthetic elastomer produced by polymerization of chloroprene (2-chloro-1,3-butadiene), is a chemical derivative of natural rubber isoprene structure. It is supplied in primary forms such as bales or pellets for use in manufacturing weather-resistant products like wetsuits and hoses. Classified under HTS 3913.90.1000 as it qualifies as a chemical derivative of natural rubber per chapter notes on polymers.

Duty Rate — Canada → United States

10%

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
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Import Tips

• Verify polymer composition meets 95% chloroprene monomer content per subheading note (a)(1) to avoid reclassification

• Provide certificates of analysis confirming chemical derivation from natural rubber base for CBP review

• Avoid common pitfall of importing pre-compounded forms, which may shift to 4002 as synthetic rubber additions

Chloroprene Rubber (CR) from Canada — Import Duty Rate | HTS 3913.90.10.00