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Borosilicate Glass Chunks from China

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 — China → United States

40.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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