Crystal Grinder Coolant Filtration System from China
High-purity coolant recirculation and filtration system designed specifically for semiconductor crystal grinding processes. Classified under HTS 8473.40.86.00 as essential accessory maintaining particle-free processing environment for heading 8472 equipment.
Duty Rate — China → United States
37.5%
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
• Specify filtration rating (e.g
• <0.1μm particles) for semiconductor cleanroom use
• Document chemical compatibility with silicon carbide grinding slurries
• Avoid classification as general industrial filtration under 8421