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4823.90.60.00/Coated Paperboard Flange Washers/Canada

Coated Paperboard Flange Washers from Canada

Washers cut from moisture-resistant coated paperboard used between flanges in plumbing and HVAC systems. Classified under HTS 4823.90.60.00 due to being washers of coated paperboard, providing compressible sealing without adhesive. The coating prevents fiber swelling in humid environments.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Document compression strength and water absorption tests to prove suitability as washers/seals

• Label shipments clearly as 'coated paperboard washers for sealing' to prevent confusion with metal products

• Avoid misclassification by ensuring no metal inserts; pure paperboard composition required

Coated Paperboard Flange Washers from Canada — Import Duty Rate | HTS 4823.90.60.00