Shock Tube Detonator Cord

Shock tube cord uses a thin explosive-filled plastic tube to transmit low-energy shock signals to detonators in blasting. Though lower energy than traditional detonating cord, it functions similarly for initiation. Included under HTS 3603.20.00.00 as detonating cord per tariff description.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3%+17.5%20.5%
🇲🇽Mexico3%+10.0%13%
🇨🇦Canada3%+10.0%13%
🇩🇪Germany3%+10.0%13%
🇯🇵Japan3%+10.0%13%

Alternative Classifications

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

3917.31.00Higher: 38.1% vs 20.5%

If empty plastic micro-tube without explosive powder

Non-explosive plastic tubes fall under flexible tubes of plastics in Chapter 39.

3603Same rate: 20.5%

If classified as electric detonator component

Shock tubes often paired with electric initiators under other 3603 headings.

8479.89.65Lower: 20.3% vs 20.5%

If for industrial machinery signal tubing

Non-detonating pneumatic tubes used in machines are Chapter 84 parts.

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Import Tips & Compliance

Distinguish from non-explosive air tubes; provide composition analysis if challenged

Store and ship separately from high explosives to meet segregation rules

Use customs broker experienced in explosives for accurate entry filing