Steel Fire Door Intumescent Hinges from Canada
Steel hinges with intumescent strips for 90-minute rated fire doors in buildings. Classified as door mountings under HTS 8302.41.60.
Duty Rate — Canada → United States
28.9%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• UL fire rating documentation essential for building classification
• Intumescent material <10% weight maintains steel heading
• Specify door frame compatibility over general hardware use