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Commercial Glass Wool Floor Underlayment from China

Dense glass wool sheets placed under flooring for soundproofing in apartments and offices. HTS 7019.80.10.90 covers this as other glass wool insulation per fused silica inclusion.

Duty Rate — China → United States

42.4%

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

Include IIC/STC test results for building code verification

Specify density (e.g

1.5 lb/ft³) to match declared subheading

Prevent valuation disputes by itemizing recycled content accurately