3603.50.00.00/Quarry Delay Igniter/Japan

Quarry Delay Igniter from Japan

Multi-delay igniter series for patterned blasting in aggregate quarries, allowing precise rock fragmentation control. Categorized under HTS 3603.50.00.00.

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%

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Import Tips

• Sequence delay codes (e.g

• 25ms, 50ms) must match invoice descriptions exactly

• Bond requirements higher for aggregate industry imports; pre-calculate

• Train staff on misfire procedures in safety declarations