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Fused Quartz Glass Lumps from Canada

High-purity fused quartz glass in irregular lump form, created by fusing silica at high temperatures into a massive, unworked state. Falls under HTS 7001.00.20.00 per Chapter 70 note including fused quartz as 'glass in the mass, other', ideal for remelting in optics production.

Duty Rate — Canada → United States

13%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Include lab analysis proving silica content >99% to confirm fused quartz status under Chapter 70 definitions

Avoid packaging that suggests worked glass; ship in bulk to prevent reclassification as articles