Polyetherimide High-Temp Sheets from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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