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4005.99.00.00/Butyl Rubber Unvulcanized Powder/Canada

Butyl Rubber Unvulcanized Powder from Canada

Powdered isobutylene-isoprene (butyl) rubber compound unvulcanized, with antioxidants for inner tube production. Under HTS 4005.99.00.00 as other compounded primary powder form, includes permitted stabilizers per note 5(b).

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Test for powder flowability to prove primary form

• Document stabilizer levels < permitted thresholds

• Pitfall: powder clumping seen as lumps under 4001

Butyl Rubber Unvulcanized Powder from Canada — Import Duty Rate | HTS 4005.99.00.00