Phenolic Resin Circuit Board Substrate from China
Thin, noncellular phenolic resin sheets serving as base substrates for printed circuit boards before copper lamination. Classified under HTS 3920.94.00.00 as unreinforced phenolic sheets, not yet combined with metal layers.
Duty Rate — China → United States
43.3%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Declare as 'paper phenolic' if paper-impregnated, but pure resin sheets stay here
• Include FTIR spectroscopy to prove phenolic resin composition per Chapter 39 notes