Borosilicate Glass Chunks from Japan
Massive chunks of borosilicate glass, known for thermal resistance, in unworked form straight from the melting furnace. HTS 7001.00.20.00 applies to this 'other glass in the mass' used as raw material for labware and cookware manufacturing.
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
• Label with boric oxide content to distinguish from soda-lime; helps CBP verify non-waste status
• Use ISF filings for bulk glass shipments over 100kgs to preempt holds