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2818.20.00.00/Alpha Alumina Catalyst Support/China

Alpha Alumina Catalyst Support from China

Alpha-phase aluminum oxide spheres used as inert support for petroleum refining catalysts. HTS 2818.20.00.00 applies to this chemically defined compound other than artificial corundum.

Duty Rate — China → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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Import Tips

• Include XRD analysis confirming alpha-phase crystal structure

• Document porosity and crush strength for catalyst-grade verification

• Ensure no active catalytic metals present to avoid heading 3815 classification

Alpha Alumina Catalyst Support from China — Import Duty Rate | HTS 2818.20.00.00