Fluoroelastomer Backup Washer from Germany
Viton fluoroelastomer washer backing primary seals in oilfield pumps, from heading 3904 copolymers. HTS 3926.90.45.90 for other seals. Resists extreme chemicals and temperatures.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Prove 95% fluoro comonomer content via lab reports per note (a)(2)
• Declare as individual washer, not set, to stay in 3926
• Avoid industrial end-use ambiguity leading to Chapter 84