Electrical Pressboard Insulation Sheet from China
Uncoated pressboard in sheets weighing 180 g/m², made from densely compressed wood fibers for high dielectric strength. Classified under HTS 4805.92.20.00 as pressboard, which is other uncoated paperboard >150 but <225 g/m², not further worked. Used primarily in transformers and electrical equipment for insulation.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Verify grammage between 150-225 g/m² via lab testing to confirm subheading; exceeding limits shifts to other weights
• Provide mill test certificates showing fiber composition and density to prove pressboard status and avoid reclassification
• Ensure no coatings or further processing; common pitfall is misdeclaring laminated versions which go to 4811