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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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