2811.22.10.00/Synthetic Silica Gel Desiccant Packets/Mexico

Synthetic Silica Gel Desiccant Packets from Mexico

Small packets filled with synthetic silica gel beads used to absorb moisture in packaging for electronics, pharmaceuticals, and food products. Classified under HTS 2811.22.10.00 as synthetic silica gel, a chemically defined inorganic oxygen compound of silicon (silicon dioxide) produced synthetically. It meets Chapter 28 Note 1 criteria for separate chemically defined compounds.

Duty Rate — Mexico → 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

• Verify purity and synthetic production documentation to confirm classification under 2811.22.10.00, distinguishing from natural diatomaceous earth

• Include Material Safety Data Sheets (MSDS) and certificates of analysis; check for cobalt chloride indicators which may trigger hazardous material rules

• Avoid misclassification as activated carbon (3802.10); test for silica content >99%