High-Density Insulation Pressboard from Mexico
Uncoated pressboard sheets >225 g/m², high density 1.25 g/cm³, for switchgear insulation and panel boards in power distribution. Fits 4805.93.20.00 as pressboard in rolls/sheets, no additional working.
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
• Obtain supplier's ISO 9001 cert for consistent quality; customs audits fiber process compliance
• Avoid varnish or oil impregnation pre-import, as it shifts to 4811 or 4823
• Document non-perforated status; Jacquard-type perforations go to 4823 per chapter note