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2811.22.50.00/Synthetic Amorphous Silica Gel/Japan

Synthetic Amorphous Silica Gel from Japan

Synthetic amorphous silica gel is a porous form of silicon dioxide manufactured by acidifying sodium silicate, used as a desiccant. It is classified in HTS 2811.22.5000 as 'other' silicon dioxide, meeting Chapter 28 chemical definition.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Document pore volume and surface area to differentiate from natural silica; include MSDS confirming synthetic origin

• For beaded/granular forms, specify not calcined to avoid mineral product confusion

Synthetic Amorphous Silica Gel from Japan — Import Duty Rate | HTS 2811.22.50.00