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Quarry Delay Igniter

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

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China0.2%+20.0%20.2%
🇲🇽Mexico0.2%+10.0%10.2%
🇨🇦Canada0.2%+10.0%10.2%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3603Same rate: 20.2%

If electric with detonator integration

Delay detonators combine igniter and cap functions.

8474.10.00Higher: 37.5% vs 20.2%

If industrial crushing plant equipment

Igniters fixed in crushing machinery are parts thereof.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• 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