Cellular PS Diffusion Plates from China

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 — China → United States

40.3%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)

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