Carbon Filter Nonwoven Substrate 52 g/m² from China
Specialty nonwoven substrate (52 g/m²) impregnated with activated carbon for odor control filters. Remains HTS 5603.12.00 as carbon impregnation doesn't constitute excluded plastic/rubber coating. Used in HVAC and appliance filters.
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
• Specify carbon loading percentage and impregnation method (spray vs powder)
• Confirm no rubber binder exceeds bonding substance exclusion
• Filter media vs complete housing assembly affects machinery classification