</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

PTFE High-Pressure Washer from Mexico

Teflon (PTFE) washers for high-pressure valves and fittings, offering chemical resistance and low friction. Falls under 3926.90.45 as a fluoropolymer plastic washer per polymer predominance rules.

Duty Rate — Mexico → United States

13.5%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

Provide virgin PTFE certification; filled grades may alter classification

Include FDA or USP Class VI if medical/pharma use

Customs often audits PTFE; retain spectrometry reports