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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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