OVD Outside Vapor Deposition Preform Machine from China
Outside Vapor Deposition (OVD) machine that flames hydrolyzes silicon tetrachloride to deposit soot on a ceramic target, building preforms for optical fibers. Multiple passes create graded index profiles. Specifically classified in HTS 8475.21.00.00 for optical fiber preform production.
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
• Provide evidence of flame hydrolysis capability for distinguishing from MCVD systems
• Ensure chemical handling certifications for silicon precursors
• Note energy consumption for flame systems in efficiency declarations