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Unvulcanized Rubber O-Ring Blanks from Canada

Pre-cut toroidal blanks from unvulcanized rubber for molding into O-rings. Classified in HTS 4006.90.50.00 as other articles (rings) of unvulcanized rubber.

Duty Rate — Canada → United States

12.7%

Rate breakdown

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

Import Tips

Clearly mark as 'blanks for vulcanization' to avoid confusion with finished O-rings

Include mold trial documentation showing softness indicative of unvulcanized state

Watch for reclassification if blanks have been prevulcanized (latex form note)