99.95% Pure Refined Copper Sheet 0.5mm Thick 1100mm Wide from China
Ultra-pure 99.95% refined copper sheet 0.5mm x 1100mm for vacuum chamber linings. Fits HTS 7409.19.50.00 criteria: refined copper plate/sheet/strip >0.15mm thick, <5mm, 500mm+ wide. Low impurity levels essential for high vacuum.
Duty Rate — China → United States
36%
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
• Purity analysis certificates mandatory; <99.3% Cu risks alloy classification
• Nitrogen-purged packaging prevents oxidation of thin gauge sheets
• Declare for GRI 2(a) if any surface treatments applied