FR-1 Paper Phenolic PCB for Audio Amplifiers from China
FR-1 grade printed circuit board made entirely from paper impregnated with phenolic resin, used in compact audio amplifier boards for home stereo systems. Specifically qualifies under HTS 8534.00.00.50 for its paper-based construction versus common fiberglass alternatives. Provides economical signal processing substrate.
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
9903.88.0325%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
• Request dielectric constant test results proving paper base (typically 4.0-5.0) vs
• FR4 (4.5+ with glass)
• Use HSEN for precise subheading 8534.00.00.50 declaration to avoid generic 8534.00 default duties