Instantaneous Safety Fuse from Japan
High-speed safety fuse variant burning at over 100 m/s for rapid sequential blasting in tunnel construction. Made with reinforced gunpowder core and polymer coating for moisture resistance. HTS 3603.10.00.00 covers this as a specialized safety fuse for industrial detonations.
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
• Specify burn velocity in commercial invoice; >50 m/s risks detonating cord classification
• DOT hazmat shipping papers must list as 1.4B explosive
• Storage facility must meet ATF magazine requirements pre-import