Oil-Impregnated Sintered Bronze Bushing for Float Zone Crystal Grower from China
Self-lubricating oil-impregnated sintered bronze plain shaft bearing without housing, supporting shafts in float zone crystal growers for pure semiconductor material production. Classified in HTS 8483.30.8090 for plain shaft bearings in specialized semiconductor equipment.
Duty Rate — China → United States
39.5%
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
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Import Tips
• Include impregnation specs and porosity data to validate as plain bearing vs. porous metal article
• Ensure oil type is non-volatile for cleanroom certification
• Declare as 'without housing' explicitly on commercial invoice