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+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

8428.90.03Same rate: 35%

If for other chemical metering applications

Generic dosing pumps/feeders under Chapter 84.

8479.89Lower: 12.5% vs 35%

If complete with electronic controls as machines

Automated feeders may classify as unlisted machines.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

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