Etched Anode Aluminum Foil for Electrolytic Capacitors from Germany
This is high-purity etched aluminum foil used as the anode in aluminum electrolytic capacitors, featuring microscopic pits to maximize surface area for enhanced capacitance. It falls under HTS 7607.19.10.00 as unbacked aluminum foil thinner than 0.2 mm specifically etched for capacitor applications. The etching process increases its effective surface area by up to 100 times for use in electronics like power supplies.
Duty Rate — Germany → United States
55.3%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Verify purity exceeds 99% aluminum to confirm non-alloy status per chapter notes; provide etching process certification and capacitance specs for customs
• Avoid misclassification as generic foil by including end-use documentation for capacitors