Halogenated Butene Polymer from United States
Halogenated butene polymer, specifically chlorinated polybutene, is used for sealants. It is classified under tariff item 3904.90.00 as 'Other' polymers of halogenated olefins. The product is in primary form and not specifically named elsewhere in Chapter 39.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the polymer is based on butene and not another olefin
• Ensure it is in primary form
• Provide the chlorine content and polymer composition to support classification