Non-Electric Shock Tube Igniter from Canada
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 — 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
• 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