Cellular PS Diffusion Plates from Canada
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.
Duty Rate — Canada → United States
15.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide material safety data showing no additives affecting polymer classification
• Confirm cellular vs rigid via microscopy if challenged
• Size documentation critical for special rates