Quartzite Slab Blocks from Canada
Quartzite rock roughly sawn into rectangular slabs or blocks for further processing. Falls under HTS 2506.10.00 as quartzite merely cut by sawing, not further worked into finished dimensions. Commonly used in construction for crushing into aggregate.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide geological assays confirming >90% silica content for quartzite; measure slab dimensions to ensure 'merely cut' status
• Avoid shipping in finished tile sizes to prevent Chapter 68 reclassification