Non-Electric Shock Tube Igniter from Japan
A non-electric igniter employing shock tubing to transmit a detonation signal to explosive charges in construction blasting. It uses a low-energy signal for safe initiation, fitting HTS 3603.50.00.00 for igniters distinct from detonators.
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
• Verify UN-approved packaging for Class 1.4S explosives to prevent shipping denials
• Include test reports confirming non-electric initiation to avoid reclassification during customs exam