99.99% Pure Sulfur Hexafluoride SF6 from China

Ultra-high purity (4N) sulfur hexafluoride gas, electronically graded for semiconductor manufacturing and particle accelerators. Falls under HTS 2812.90.0010 as chemically defined halide oxide of sulfur, meeting Chapter 28 purity standards.

Duty Rate — China → United States

38.7%

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

Provide analytical certificates showing ≥99.9% purity to avoid classification as 'other' preparations in 3824

Include end-use statements for semiconductor applications to facilitate customs review

Check for anti-dumping duties or Section 301 tariffs on Chinese-origin SF6