Glass Fiber Reinforced Insulation Paper Sheets from China
Composite sheets of paper layers adhered with fiberglass mesh reinforcement for electrical insulation backing in transformers. Falls under HTS 4807.00.92.00 as internally reinforced paper, no surface coating. Provides dielectric strength.
Duty Rate — China → United States
37.5%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Certify fiberglass as non-woven reinforcement to prevent plastics chapter misclassification
• Declare electrical end-use but emphasize paper as principal material
• Test for impregnation; any varnish coating shifts to 4811 or 8547 composites