Polyimide Cellular Foam Sheets
High-temperature resistant cellular polyimide foam sheets for aerospace thermal insulation. Classified HTS 3921.19.00 as other plastics cellular sheets. Maintains properties up to 300°C.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-foamed polyimide film
Kapton-like solid polyimide films classify as non-cellular other plastics.
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Import Tips & Compliance
• Technical data verifying polyimide chemistry essential for proper 'other plastics' classification
• Industrial end-use documentation prevents consumer article misclassification
• Excludes fittings or composites that would shift headings
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