Cotton-Core Safety Fuse from Canada
Traditional black powder safety fuse with a cotton core impregnated with gunpowder, wrapped in multiple textile layers for waterproofing and durability. Classified under HTS 3603.10.00.00 for its role as a low-explosive time-delay fuse in demolition and quarrying. Burn speed is approximately 35-45 seconds per meter.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide burn rate test certificates from accredited labs to avoid reclassification as fireworks
• ATF Form 6 required; ensure importer is registered explosives dealer
• Avoid mixing with detonating cord in shipments to prevent hazardous combination rules