Butyl Rubber Latex Dispersion from Canada
A liquid dispersion of butyl rubber (IIR) in water, used for dipping and coating applications in manufacturing gloves and balloons. Classified under HTS 4002.39.00.00 as synthetic rubber in primary form (latex), meeting Chapter 40 note definitions for prevulcanized latex without prohibited compounding agents.
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 no vulcanizing agents or fillers added beyond permitted emulsifiers to retain primary form status per Chapter Note 5
• Provide chemical composition certificates confirming IIR content and dispersion form for CBP review
• Avoid common pitfall of classifying prevulcanized latex as compounded if it exceeds note allowances