High Temperature Mechanical Seal from China
Mechanical seal with graphite secondary seals for temperatures exceeding 400°C in furnace circulator pumps. HTS 8484.20.00.00 covers specialized mechanical seals. Critical for heat transfer fluid systems.
Duty Rate — China → United States
41.4%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Certify temperature/pressure ratings exceeding standard limits
• Declare graphite content separately for material valuation
• Provide thermal expansion data for custom classification rulings