Microglass Mechanical Bonded Air Filtration Media from China

Fine microglass fibers mechanically bonded into high-efficiency air filtration nonwoven media. Falls under HTS 7019.69.40.96 as other uncolored mechanically bonded glass fabrics. Microfiber diameter (<5μm) enables HEPA-level performance.

Duty Rate — China → United States

42.3%

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

Provide fiber diameter distribution curves confirming microglass specifications

Test and declare MERV rating for performance verification

Ensure pleat support materials don't trigger composite classification