2811.22.10.00/High-Purity Synthetic Silica Gel for Chromatography/Japan

High-Purity Synthetic Silica Gel for Chromatography from Japan

Amorphous synthetic silica gel with controlled pore size used as stationary phase in column chromatography for lab separations. Falls under HTS 2811.22.10.00 as synthetic silicon dioxide, a separate chemically defined compound per Chapter 28 notes, excluding organo-silicon derivatives.

Duty Rate — Japan → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Supply pore size distribution and surface area specs to prove chromatography-grade purity

• Ensure no organic modifiers; pure silica gel stays in 2811, modified becomes 3824

• Declare particle size (e.g

• 40-63 micron) in entry docs to prevent reclassification as abrasives

High-Purity Synthetic Silica Gel for Chromatography from Japan — Import Duty Rate | HTS 2811.22.10.00