Water-Resistant Bitumen Fiberboard Insulation Boards from China
Insulation-grade fiberboard impregnated with bitumen for humidity resistance, density exceeding 0.35 but ≤0.5 g/cm³. Fits HTS 4411.94.00.10: other fiberboard, not mechanically worked, bitumen impregnated, no surface covering. Used in wall and ceiling insulation systems.
Duty Rate — China → United States
37.5%
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
9903.88.0325%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
• Obtain third-party density and impregnation verification to prevent customs disputes
• Label as 'not for structural use' if applicable to avoid reclassification
• Check EPA TSCA compliance for composite wood formaldehyde emissions