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Prevulcanized Butyl Rubber Paste from Canada

Paste form of prevulcanized isobutene-isoprene rubber (IIR) for adhesive applications, explicitly allowed under chapter notes. Classified in 4002.31.00.00 as primary paste form without prohibited vulcanizing agents beyond prevulcanization.

Duty Rate — Canada → United States

10%

Rate breakdown

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

Import Tips

Distinguish prevulcanized latex from fully compounded; provide vulcanization test data

Label clearly as 'prevulcanized primary form' to match note 5(a) exception

Prevulcanized Butyl Rubber Paste from Canada — Import Duty Rate | HTS 4002.31.00.00