Styrene Foam Acoustic Panels from Mexico
Polystyrene foam sheets with cellular structure for sound absorption in studios/recording booths. HTS 3921.11.00.00 for styrene cellular plates before final assembly. Flame-retardant treated.
Duty Rate — Mexico → United States
15.3%
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
Import Tips
• Include flammability test results in documentation
• Classify as sheets until framed
• Size compliance key for special rates