</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Cork-Rubber Thermal Insulation Slab from Canada

Dense slab of vulcanized ground cork and rubber for thermal barriers in HVAC systems and building envelopes. Classified in HTS 4504.10.10.00 for its composition solely of pulverized cork and rubber in slab configuration.

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

Obtain R-value certifications for customs valuation and end-use verification

Avoid bulk packaging over 1m² to prevent 'tile' misclassification

Declare exact cork/rubber ratio to preempt binder content disputes

Cork-Rubber Thermal Insulation Slab from Canada — Import Duty Rate | HTS 4504.10.10.00