Arc-Resistant Pressboard from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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