Polyetherimide High-Temp Sheets from China
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 — China → United States
43.3%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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