Diamond Lapping Films on Polymer Film Base from Japan
Precision lapping films coated with micron-sized diamond particles on a polyester polymer film base for semiconductor and optics polishing. Falls under HTS 6805.30.5000 for artificial abrasive on other materials (plastic film). Achieves sub-micron surface finishes.
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
• Provide particle size distribution reports for 'precision' claims and duty verification
• Comply with export controls if diamond tech implies strategic materials