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Chromium Reference Electrode

Pure chromium electrode for electrochemical potential measurements in corrosion research. Machined rod form; HTS 8112.29.00.00 as chromium article. Stable in acidic electrolytes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
šŸ‡ØšŸ‡³China3%+25.0%28%
šŸ‡²šŸ‡½Mexico3%—3%
šŸ‡ØšŸ‡¦Canada3%—3%
šŸ‡©šŸ‡ŖGermany3%—3%
šŸ‡ÆšŸ‡µJapan3%—3%

Alternative Classifications

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

9027.90Lower: 12.5% vs 28%

If assembled in complete electrochemical cell

Finished instruments for physical/chemical analysis take precedence.

8112.21.00.00Same rate: 28%

If rough-cast electrode blanks

Unfinished vs precision-machined electrodes.

8507.90.80Higher: 53.4% vs 28%

If platinum-coated working surface

Noble metal surface determines electrode classification.

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

• Electrochemical series position documentation required

• Surface oxide layer thickness specification essential

• Lab calibration certificates increase declared value