Viton Fluoroelastomer O-Ring for Chemical Processing from China
High-performance O-ring from fluoropolymer (FKM/Viton) for sealing valves in chemical plants, resistant to harsh acids and high temperatures. Classified in 3926.90.4510 as a plastic O-ring seal due to its synthetic polymer base from headings 3901-3914. Ensures leak-proof operation in corrosive environments.
Duty Rate — China → United States
38.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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 resistance test data and monomer breakdown to confirm plastic polymer classification under Chapter 39 notes
• Label with exact dimensions and pressure ratings for customs valuation and anti-dumping checks