New

Ask Wove anything about tariffs.

Try Tariff Assistant

Acetylene Generator Calcium Carbide Feeder

Precision hopper-feeder for metered dispensing of calcium carbide into water reaction chambers of acetylene generators. Classified as a part under HTS 8405.90.00.00.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

8428.90.03Higher: 40% vs 37.5%

If for other chemical metering applications

Generic dosing pumps/feeders under Chapter 84.

8479.89Lower: 15% vs 37.5%

If complete with electronic controls as machines

Automated feeders may classify as unlisted machines.

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

• Corrosion-resistant material certs for carbide dust; feed rate calibration docs; distinguish from pharmaceutical feeders