Cellular PS Diffusion Plates
Polystyrene foam sheets engineered as light diffusion panels for LED lighting fixtures. Under 3921.11.00.00 for cellular styrene sheets with light-scattering cellular structure. Used in commercial displays.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-cellular rigid PS plates
Non-foam rigid styrene plates fall under 'Other non-cellular sheets' in 3920.99.
If assembled into complete lighting fixtures
Finished lamps or luminaires with PS components classify in Chapter 94.
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Import Tips & Compliance
• Provide material safety data showing no additives affecting polymer classification
• Confirm cellular vs rigid via microscopy if challenged
• Size documentation critical for special rates
Related Products under HTS 3921.11.00.00
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