Activated Alumina Desiccant

Porous aluminum oxide beads activated for moisture adsorption in gas drying and water purification. Classified under HTS 2818.20.00.00 as chemically defined aluminum oxide, excluding artificial corundum used for abrasives.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFreeFree
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

Alternative Classifications

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

8421.39.01Higher: 35% vs Free

If incorporated into complete air/gas purification equipment

Parts of filtering/purifying machinery take precedence over material classification.

3816.00.20Higher: 38% vs Free

If used as refractory cement base with additives

Refractory cements containing aluminum oxide mixtures fall in heading 3816.

2508.30.00.00Higher: 10% vs Free

If natural clay-derived with low purity aluminum oxide

Natural mineral products like fire-clay are classified by origin, not chemical purity.

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

Include surface area specs (typically 200-400 m²/g) in documentation to prove adsorbent properties

Avoid shipping in consumer packaging to prevent retail set classification under heading 3824

Confirm no artificial corundum processing via manufacturing process declaration