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3816.00.20.50/Mullite Powder Refractory Castable/Canada

Mullite Powder Refractory Castable from Canada

Synthetic mullite-based castable for glass furnace regenerators. HTS 3816.00.20.50 classification for alkali resistance to 1450°C. 3:2 alumina-silica ratio optimizes creep resistance.

Duty Rate — Canada → United States

13%

Rate breakdown

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

• XRD analysis confirms mullite phase purity

• Creep rate data (<0.5% at temp) essential

Mullite Powder Refractory Castable from Canada — Import Duty Rate | HTS 3816.00.20.50