FFKM O-Ring for Chemical Processing Pumps from China
Perfluoroelastomer (FFKM) O-ring for extreme chemical resistance in industrial pump seals. Classified as HTS 4016.93.50.10 for its vulcanized rubber O-ring form, excluding hard rubber. Handles corrosive acids and high pressures.
Duty Rate — China → United States
40%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Include chemical compatibility charts and DuPont/Kalrez equivalence statements for premium rubber verification
• Comply with HAZMAT shipping if residual chemicals present from manufacturing
• Certify not hard rubber via Shore hardness testing (<90A typically)