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Caustic Calcined Magnesite 85/15 (MgO/SiO2)

Caustic calcined magnesite blend with 85% MgO and 15% SiO2, used for basic refractory brick production. This product falls under tariff item 2519.90.00 as 'Other' magnesium oxide, specifically caustic calcined magnesite, which is not further processed beyond calcination.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFreeβ€”Free
πŸ‡²πŸ‡½MexicoFreeβ€”Free
πŸ‡ΊπŸ‡ΈUnited StatesFreeβ€”Free
πŸ‡©πŸ‡ͺGermanyFreeβ€”Free
πŸ‡―πŸ‡΅JapanFreeβ€”Free

More Specific Codes

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The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item β€” and can price the duty on it in the same conversation.

Import Tips & Compliance

β€’ Ensure the product is classified as caustic calcined magnesite, not dead-burned magnesia

β€’ Provide a certificate of analysis showing MgO and SiO2 content

β€’ Verify that the product has not been subjected to processing beyond calcination

Related Products under Tariff item 2519.90.00

Animal Feed Grade Magnesium Oxide

Coarse magnesium oxide powder formulated for livestock mineral supplements to prevent grass tetany. This product falls under tariff item 2519.90.00 as 'Other' magnesium oxide, suitable for feed but imported in bulk.

Caustic Calcined Magnesia Powder

Caustic calcined magnesia is magnesium oxide produced by low-temperature calcination of magnesite, yielding a reactive powder used in chemical and fertilizer industries. It falls under tariff item 2519.90.00 as 'other' magnesium oxide, since it is not fused or dead-burned and undergoes only calcination, a process permitted by Chapter 25 Note 1.

Caustic Calcined Magnesite Powder

Fine powder produced by calcining natural magnesite at moderate temperatures to yield reactive magnesium oxide with some residual CO2. This product is classified under tariff item 2519.90.00 as caustic calcined magnesite, a form of magnesium oxide.

CCM Fines Recovery Dust

Fine dust recovered from caustic calcined magnesite production, classified the same as the primary product. This product falls under tariff item 2519.90.00 as caustic calcined magnesite, regardless of particle size.

Dead-burned Magnesia 0-100mm for Rotary Kilns

Coarse-grained dead-burned magnesia sized 0-100mm, produced by sintering magnesite at high temperatures for use in rotary kiln linings. This product falls under tariff item 2519.90.00 as 'Other' magnesium oxide, specifically dead-burned magnesia, which is not further processed beyond sintering.

Dead-burned Magnesia DBM-95

Dead-burned magnesia DBM-95, sintered at 1700-2200Β°C from calcined magnesite, with 95% MgO content and low reactivity. This product is classified under tariff item 2519.90.00 as dead-burned magnesia, a form of magnesium oxide not further processed beyond sintering.