Fused Quartz Glass Slab from Japan
Rectangular slab of fused quartz glass in bulk mass form, ideal for slicing into substrates or windows in photonics applications. It qualifies for HTS 7001.00.10.00 as unworked glass in the mass of fused silica, where cutting to shape does not affect classification per chapter notes.
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
• ,Test for IR absorbing layers; coated slabs may shift to 7005 or 7007 if reflecting/non-reflecting
• Package securely to prevent cracking; declare exact dimensions to calculate duties accurately