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Adjusting Imports of Polysilicon and Its Derivatives Into the United States

Donald Trump · 47th PresidentPublished Aug 11, 2026Signed Aug 6, 2026

Document overview

Summary

1. Polysilicon is the base material underpinning the security of America's semiconductor and solar-power supply chains. Yet for decades, America has allowed foreign countries to weaken United States producers in the polysilicon sector—eroding our economic and national security. Today, I am taking action to put a stop to these practices and revitalize the United States polysilicon sector. 2. These actions are based on advice and information I received from the Secretary of Commerce (Secretary) in a report transmitted to me within the past 90 days detailing the findings of his investigation under section 232 of the Trade Expansion Act of 1962, as amended, 19 U.S.C.…

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