Chemically Bonded Fiberglass Roofing Mat from China

A non-woven, chemically bonded fabric made from colorless glass fibers, designed for use as a reinforcement mat in asphalt shingle roofing. It falls under HTS 7019.72.40.60 as 'other' closed chemically bonded glass fiber fabrics that are not colored. This classification applies to mats with a closed structure formed by chemical binders rather than weaving or needling.

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

Verify the chemical binder composition and fiber content to confirm classification under chemically bonded mats; provide lab test reports for silica content if challenged

Ensure documentation distinguishes it from chopped strand mats or needled felts

Common pitfall: misclassifying as textile nonwovens under Chapter 59