Bitumen Impregnated Low-Weight Partition Board from Canada
Light medium-density fiberboard (exceeding 0.35 but ≤0.5 g/cm³) impregnated with bitumen for interior partitions, offering fire resistance and humidity protection. Precisely fits HTS 4411.94.00.30 due to density specs and bitumen content. Common in office and healthcare facility dividers.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document impregnation process (e.g
• vacuum pressure method) to prove uniform bitumen distribution
• Use ISPM 15 compliant packaging if fumigation required for wood products
• Pre-classify via CBP ruling to avoid disputes over density measurements