Polystyrene Foam Underlayment Sheets from China
EPS foam sheets used as flooring underlayment for sound and thermal insulation beneath laminate tiles. Classified 3921.11.00.00 as cellular styrene polymer plates. Moisture-resistant grade.
Duty Rate — China → United States
42.8%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• Certify compressive strength and R-value specs
• Avoid classification as finished flooring under 3918
• Check dimension limits per heading US note