Polyetherimide High-Temp Sheets from Mexico
Noncellular polyetherimide (PEI) sheets for high-temperature aerospace and electronics applications. HTS 3920.99.5000 covers these engineering plastic sheets meeting ≥95% PEI polymer content requirements. Exceptional thermal performance.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide glass transition temperature specs (Tg>216°C) confirming PEI grade; include REACH/RoHS certs for electronics end-use
• Declare exact CTE values for thermal expansion verification