Heat-Treated Flint Shingle from China
Heat-treated flint shingle, crushed and screened for use in concrete aggregates or road surfacing, providing silica-rich durability. Tariff item 2517.10.00 specifically lists shingle and flint suitable for construction aggregates.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the heat treatment does not alter the product beyond what is allowed in Chapter 25 notes
• Provide evidence that the flint is for concrete aggregate or road use, not decorative purposes
• Confirm the product is not mixed with other materials