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3816.00.20.50/Mullite Powder Refractory Castable/Germany

Mullite Powder Refractory Castable from Germany

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 — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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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 Germany — Import Duty Rate | HTS 3816.00.20.50