Float Zone Crystal Grower Roll from China
Specialized roll for float zone method in crystal growers, producing high-purity silicon ingots for semiconductor wafers by precisely controlling zone melting. Classified in HTS 8455.30.00.65 for rolling mill rolls under 2,268 kg used in semiconductor boule processing. Essential for achieving the purity required before wafer slicing and grinding.
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Include float zone process diagrams in import docs to prove semiconductor material growth application
• Certify exact weight and material compatibility with silicon/gallium arsenide
• Watch for reclassification if bundled with full crystal grower assembly