Unvulcanized Natural Rubber O-Ring Blanks from Canada
Ring-shaped blanks of unvulcanized natural rubber for molding into seals. Falls under HTS 4006.90.10.00 as 'rings' (articles) of unvulcanized natural rubber.
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
• Certify as natural rubber only (no synthetics mixed); distinguish from pre-vulcanized latex items
• Pitfall: oversized threads (>5mm cross-section) reclassify per note 6