Process Gas Chromatograph Interface Board from China
Interface PCB connecting process gas chromatographs (9027.89) to plant DCS systems, featuring analog I/O, Profibus, and oven temperature control circuits. Used in petrochemical refineries for continuous composition analysis. Classifies as printed circuit assembly for chemical analysis instruments.
Duty Rate — China → United States
35%
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
9903.88.0125%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]
Import Tips
• Document hazardous area certifications (ATEX/IECEx) for refinery process environments
• Include process variable specifications (pressure, temperature ratings)
• Classify column oven assemblies separately under other 9027.90 provisions