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Customs Tariff Number 251990 - Search results (4)
Fused magnesia
Fused magnesia; dead-burned "sintered" magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide (excl. natural magnesium carbonate "magnesite")
Magnesium oxide, whether or not pure (excl. calcined natural magnesium carbonate)
Dead-burned "sintered" magnesia, whether or not containing small quantities of other oxides added before sintering