High-Silica Glass Billets from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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