Visco Safety Fuse from Mexico
A slow-burning safety fuse made from visco powder encased in a flexible textile or plastic sheath, designed for reliable ignition delay in blasting operations. It falls under HTS 3603.10.00.00 as a safety fuse used to initiate detonators in mining and construction explosives. The fuse burns at a consistent rate, typically 1 foot per 30-40 seconds, ensuring safe standoff distances.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Obtain ATF explosives import permits and ensure end-user certificates for licensed blasters
• Declare exact burn rate and composition; mislabeling as consumer fireworks leads to seizures
• Verify packaging meets UN 0105 standards for transport; bulk shipments require hazmat labeling