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Natural Cork Thermal Insulation Disks from Mexico

Circular disks of natural cork used as thermal barriers in high-heat applications like oven doors. HTS 4503.90.20.00 covers these cork disks for their low thermal conductivity. Cut from plank cork for durability.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Certify thermal resistance values (R-value) and fire ratings

Avoid composite forms with foil; pure cork stays in 4503

Industrial end-use statements prevent Chapter 69 ceramic confusion

Natural Cork Thermal Insulation Disks from Mexico — Import Duty Rate | HTS 4503.90.20.00