3921.11.00.00/High-Impact PS Foam Sheets/Mexico

High-Impact PS Foam Sheets from Mexico

Cellular sheets of high-impact polystyrene (HIPS) for protective packaging inserts. 3921.11.00.00 as styrene polymers meeting 95% monomer content. Durable white foam.

Duty Rate — Mexico → United States

15.3%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Prove HIPS qualifies as styrene polymer via copolymer analysis

• Distinguish from ABS blends

• Proper marking prevents consumer product confusion