Self-Extinguishing Cork Wall Panels from Canada
Natural cork wall panels with paper backing treated for fire resistance, used in commercial spaces. HTS 4503.90.40.00 classification applies due to the natural cork composition and paper reinforcement as wallcoverings. Treatments do not change the base material heading.
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
• Submit flame spread test reports (ASTM E84) to validate fire claims and prevent safety-based holds
• Declare any chemical treatments separately to avoid TSCA chemical import requirements
• Confirm panels meet NFPA standards if destined for public buildings