Delay Electric Igniter from Japan
An electric igniter with built-in delay element for sequential blasting in tunneling projects, ensuring controlled detonation timing. Classified in HTS 3603.50.00.00 due to its role as a pyrotechnic igniter.
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
• Use temperature-controlled shipping to maintain delay element integrity during transit
• Provide blasting pattern diagrams in entry docs to demonstrate industrial application
• Watch for reclassification if delay exceeds certain thresholds, treated as separate fuses