Visco Safety Fuse from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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