Copper Bridge Electric Detonator from Japan
Traditional electric detonators with thin copper bridgewire for reliable ignition in standard blasting. Falls under HTS 3603.60.00.00 as core electric detonator technology. Widely used in global mining.
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
• Ohm resistance certification; humidity-controlled storage; legacy system compatibility checks