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Synthetic Mullite Powder from Canada

Synthetic mullite powder is a high-alumina ceramic material produced by sintering or fusing alumina and silica, used primarily in refractory applications. It falls under HTS 2508.60.00.00 as mullite, a specific aluminosilicate mineral classified among other clays and earths, whether or not calcined.

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

Verify purity and chemical composition via lab certification to confirm mullite classification and avoid reclassification as synthetic corundum

Synthetic Mullite Powder from Canada — Import Duty Rate | HTS 2508.60.00.00