CHAPTER 99 · TRADE MEASURE CODE
9902.01.27
Active9902.01.27 implements Chapter 99 trade measure, adding Free on top of the base HTS duty.
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Additional rate
Free
Status
Applies to
See scope
Base codes paired
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What 9902.01.27 implements
HTS legal text: Dioxosilane (Silicon dioxide amorphous) (CAS No. 7631-86-9) entirely spherical micro-spheres of mean particle size of between 0.007 and 0.020 mm, uniform particle size with a uniformity coefficient of 1.65 or less, trace metal impurities less than 70 ppm, specific electrical resistance of 50,000 Ohm cm (provided for in subheading 2811.22.10)
Frequently asked questions
What is 9902.01.27?
9902.01.27 is a U.S. Harmonized Tariff Schedule Chapter 99 subheading that implements Chapter 99 trade measure. It adds Free on top of the duty in the underlying base HTS subheading.
Where does this come from, and how current is it?
Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Follow 9902.01.27
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Is 9902.01.27 owed on your import?
TariffLens applies the right Chapter 99 code to your product and origin automatically, with the full landed-duty math and the GRI reasoning behind the classification.