Containing 47 percent or more by weight of manganese
N351434 · 2025-07-28 — The tariff classification of calcined manganese ore from South Africa, Gabon, or India
The product under consideration is a calcined manganese ore. Manganese dioxide ore, typically pyrolusite is mined. The mined ore is subjected to a calcining process that concentrates it into calcined manganese ore. Per documentation, other than this calcination step, the ore is not subjected to any additional processing or chemical changes prior to importation. Documentation indicates that the dry weight of manganese in the calcined manganese ore contains at least 48 percent of manganese on a dry weight basis. After importation the calcined manganese ore will be further processed into…
883558 · 1993-03-15 — The tariff classification of Manganese Carbonate Ores fromHungary.
Based on information which you provided in your letter and in a subsequent phone conversation, it is our understanding that this product is manganese carbonate ore as it occurs in the earth. It will be imported in condition as it occurs in the earth. You have indicated that it will contain approximately 42 percent manganese, and prior to importation, it will not be purified, enriched or fortified. Further, it is our understanding that this is a mineral of a species which is actually used in the metallurgical industry for the extraction of metals, but your importations are intended for…
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