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HTS 9902.01.29Chapter 99

HTS 9902.01.29Silicon dioxide amorphous, certified by the importer as comprising entirely spherical micro-spheres with mean particle size of 28 to 45 micrometers (µm) and surface area 600 to 800 m²/g (CAS No. 7631-86-9) (provided for in subheading 2811.22.10) Duty Rate & Import Guide

Special Import Provisions · Updated daily from USITC

Duty Rates

General

Free

Special

No change

Column 2

No change

Preferential Rates Available

Trade Agreement Eligibility

CUSMAKORUS

Notes

[object Object]

Trade Intelligence

Data compiled from USITC HTS · As of 2026-04-30 · Updates daily

Subheadings (1)

CodeDescriptionRate
9902.01.29Silicon dioxide amorphous, certified by the importer as comprising entirely spherical micro-spheres with mean particle size of 28 to 45 micrometers (µm) and surface area 600 to 800 m²/g (CAS No. 7631-86-9) (provided for in subheading 2811.22.10) Free
9902.01.289902.01.30