PTFE Washer Seal from Japan
A flat washer seal crafted from polytetrafluoroethylene (PTFE), a fluoropolymer of heading 3904, for chemical processing equipment flanges. Classified in 3926.90.45.90 as an other plastic washer for sealing. Its chemical resistance makes it ideal for corrosive environments.
Duty Rate — Japan → United States
13.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide chemical analysis reports proving PTFE predominance per Chapter 39 polymer notes
• Label as 'sealing washer' to distinguish from plain spacers under 3926.90.99
• Ensure dimensions comply with USNote for small articles if seeking special rates