High-Silica Glass Billets from China

Glass billets with >60% SiO2 for thermal applications, in unworked mass form. HTS 7001.00.20.00 for other glass in the mass, akin to glass wool base but solid.

Duty Rate — China → United States

38%

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

SiO2 analysis mandatory; links to glass wool note but solid form stays here

Thermal expansion data helps prove unworked state

Bulk only; fibrous form risks 7019 reclass

High-Silica Glass Billets from China — Import Duty Rate | HTS 7001.00.20.00