</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Micaceous Fire-Clay from Canada

Micaceous fire-clay blends clay with natural mica flakes for enhanced thermal insulation in refractories. Classified in HTS 2508.30.00.00 as fire-clay, not split block mica. Applied in lightweight kiln furniture.

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

Quantify mica <20% to stay in clay heading; higher shifts risk

Distinguish from 2525 mica splittings via thickness tolerances

Use XRF analysis reports for composition transparency