Customs Tariff Number 251990 - Search results (4)

251990
Subheading
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
Fused magnesia