Pure Aluminum Thick Plate 12mm for Heat Sinks from China
12 mm thick plate of 99.7% pure unalloyed aluminum, designed as base stock for machining large heat sinks in electronics cooling. It qualifies for HTS 7606.91.3035 as a non-clad plate exceeding 6.3 mm thickness, fitting the aluminum plate/sheet/strip definition in Chapter 76. High thermal conductivity makes it suitable for industrial thermal management.
Duty Rate — China → United States
38%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Import Tips
• Obtain supplier certification for unalloyed status; test for alloying elements like Cu or Mg if challenged
• Use ISF filings early for thick plates, as they may require advance measurement verification
• Watch for anti-dumping duties on certain aluminum products—check Commerce scope rulings