Arc-Resistant Pressboard from Canada
Specialty pressboard at 220 g/m² for arc chutes in circuit breakers, uncoated high-density sheets. HTS 4805.92.20.00: pressboard weight 150-225 g/m², other uncoated category. Engineered for electrical arc quenching.
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
• Include arc tracking test results (IEC 61621) in import docs for technical validation
• Density >1.0 g/cm³ typical; document to distinguish from lighter boards
• No perforations allowed for this code; perforated goes to 4823 per notes