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HTS 9902.01.28Chapter 99

HTS 9902.01.28Dioxosilane (Silicon dioxide amorphous) (CAS No. 7631-86-9) presented in the form of entirely spherical micro-spheres, certified by the importer as having a mean particle size of between 0.046 and 0.054 mm, uniform particle size with a uniformity coefficient of 1.65 or less and specific electrical resistance of 50,000 Ohm cm or more (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
9902.01.28Dioxosilane (Silicon dioxide amorphous) (CAS No. 7631-86-9) presented in the form of entirely spherical micro-spheres, certified by the importer as having a mean particle size of between 0.046 and 0.054 mm, uniform particle size with a uniformity coefficient of 1.65 or less and specific electrical resistance of 50,000 Ohm cm or more (provided for in subheading 2811.22.10)Free
9902.01.279902.01.29