Rod-in-Tube Optical Preform Assembler from Japan
Automated machine that inserts core rods into overclad tubes and collapses the assembly into monolithic optical fiber preforms using heat and pressure. Used for specialty fibers. Falls under HTS 8475.21.00.00 as preform manufacturing equipment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Assembly precision specs (micron tolerances) required
• Differentiate from manual glassworking tools
• Cleanroom compatibility certification