Delay Electric Igniter from Canada
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 — Canada → United States
10.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, 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