Bitumen Coated MDF Insulation Board for Wall Sheathing from China
Medium-low density fiberboard impregnated with bitumen for enhanced water resistance in exterior wall applications. Provides thermal insulation and structural backing in construction. Falls under 4411.94.00.70 as low-density fiberboard specifically treated with bitumen.
Duty Rate — China → United States
35%
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
9903.88.0325%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)
Import Tips
• Document bitumen impregnation process and percentage to distinguish from surface-coated products under different subheadings
• Ensure formaldehyde emission compliance (EPA TSCA Title VI) with test reports for fiberboard imports
• Check for anti-dumping duties if sourced from specific Asian manufacturers previously subject to investigations