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3926.90.45.90/Fluoroelastomer Backup Washer/Mexico

Fluoroelastomer Backup Washer from Mexico

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 — Mexico → United States

13.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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

Fluoroelastomer Backup Washer from Mexico — Import Duty Rate | HTS 3926.90.45.90