Butyl Rubber Unvulcanized Powder from United States
Powdered butyl rubber compound, unvulcanized, with antioxidants added for inner tube production. The powder form is a primary form per chapter note 3, and the antioxidants are permitted additives under chapter note 5(B), so it falls under tariff item 4005.99.00 as 'other' compounded rubber.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the powder does not contain vulcanizing agents, which would exclude it from heading 40.05
• Keep records of the antioxidant type and quantity to show compliance with note 5(B)
• Classify as primary form powder per note 3