Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure:
Part of: 25 — Salt; sulfur; earths and stone; plastering materials; lime, cement
957514 · 1995-07-17 — Revocation of New York Ruling Letter (NYRL) 849858; Magnesium Oxide
In response to your request for a tariff classification ruling dated February 20, 1990, the Customs Service issued NYRL 849858, dated March 16, 1990, which held that magnesium oxide was classified as other metal oxides, in subheading 2825.90.60, Harmonized Tariff Schedule of the United States (1990)(HTSUS). The subheading has been redesignated as subheading 2825.90.90, HTSUS, with a current general rate of duty of 3.7 percent ad valorem. This letter is to inform you that NYRL 849858 no longer reflects the views of the Customs Service and is revoked in accordance with section 177.9(d) of the…
950406 · 1991-10-22 — Classification of magnesium oxide
Your letter of September 16, 1991, concerns the classification under the Harmonized Tariff Schedules of the United States (HTSUS) of different grades of magnesium oxide. The country of origin was not given. FACTS: The two products were described as calcined magnesium oxide and electrical-grade magnesium oxide. ISSUE: Classification of calcined and electrical-grade magnesium oxide. LAW AND ANALYSIS: The interpretation to the various provisions of the HTSUS is found in the Explanatory Notes. For heading 2519 the notes state that the heading covers various types of magnesia (magnesium oxide).…
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