Quartz Glass Powder for Glass Frit Production from Japan
High-purity quartz glass ground into fine flakes or granules, used in manufacturing specialty glass frit for enameling on glass substrates. Falls under HTS 3207.40.5000 as 'other glass' in granular form for the glass industry.
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
• Provide purity analysis (SiO2 content >99%) to distinguish from common silica sand under Chapter 25
• Label as 'glass industry preparatory material' to avoid bulk silica classification
• Ensure particle size specs match end-use in frit melting processes