Tongue-and-Groove MDF Subfloor Underlayment from China
Ultra-thin 3.6mm MDF panels with interlocking tongue-and-groove edges, used as underlayment beneath vinyl flooring in wall-to-wall building floor preparations. Classified HTS 4411.12.3000 for construction-dedicated thin MDF despite floor use interpretation under wall/ceiling/other parts.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Document as 'building parts' even for floor applications; CBP interprets broadly for construction
• Include thickness caliper measurements and edge profile diagrams in entry docs
• Formaldehyde labeling mandatory for all interior building products