TARIFF TRACKER

Commerce opens Section 232 investigation on polysilicon and derivatives

Commerce is gathering comments for a Section 232 national security investigation on polysilicon and derivatives. The notice does not impose duties, but asks whether tariffs or quotas are needed.

Updated October 12, 2026

STATUS
Replaced
·
Section 232
COUNTRIES

All countries

PRODUCT FAMILIES

Semiconductors/electronics

COVERED GOODS

Imports of polysilicon and its derivatives. No HTS headings are listed.

WHAT TO DO (OUR GUIDANCE, NOT LEGAL ADVICE)

If you buy or import polysilicon or derivatives, review exposure and consider filing comments by August 6, 2025. Track the investigation because Commerce is asking whether tariffs or quotas are necessary.

QUOTES FROM THE SOURCE

Signed: "On July 1, 2025, the Secretary of Commerce initiated an investigation under Section 232 (19 U.S.C. 1862)" (source)

Covered goods: "to determine the effects on national security of imports of polysilicon and its derivatives" (source)

Status: "whether additional measures, including tariffs or quotas, are necessary to protect national security" (source)

Awaiting check

Quotes matched to source text by machine; awaiting human check.

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Machines, people, and vendors, finally in one. We start with yours.

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© 2026 Lunar Inc. All Rights Reserved.

Machines, people, and vendors, finally in one. We start with yours.

For queries, feedback or suggestions

© 2026 Lunar Inc. All Rights Reserved.