About HS Code 251990
This HS code encompasses various forms of processed magnesium oxide (magnesia), specifically fused or dead-burned (sintered) magnesia, and other pure or impure magnesium oxides, excluding natural magnesium carbonate. This category represents highly refined and thermally treated magnesium products, crucial for high-performance industrial applications. Major importers are countries with advanced metallurgical, refractory, and electrical industries, as these forms of magnesia are essential for manufacturing high-temperature resistant materials, electrical insulators, and specialized ceramics. Exporters are typically nations with the technological capability for advanced mineral processing, often converting raw magnesite or magnesium hydroxide into these high-value forms. Key considerations in trade include the purity level, crystal size, density, and specific properties like electrical resistivity or thermal conductivity, which dictate their suitability for demanding applications. This code signifies a significant value-added product in the magnesium supply chain.
Products Under This Code
Fused magnesia, Dead-burned magnesia, Sintered magnesia, High-purity magnesium oxide, Electrical-grade magnesia, Refractory magnesia, Caustic calcined magnesia
Real World Examples
RHI Magnesita Fused Magnesia, Vesuvius Dead-Burned Magnesia, Magnezit Group Sintered Magnesia, Martin Marietta Magnesia Specialties
Common Misclassification
This code is frequently confused with 251910 (natural magnesium carbonate/magnesite) because both are magnesium-based, but 251990 covers processed oxides, not the raw carbonate. It might also be mistaken for certain calcined dolomite products (251820) if the magnesium oxide content is the primary focus, but 251990 is specifically magnesium oxide.
Products Classified Under 2519.90
Industry
This code belongs to the Minerals & Fuels industry.
Trade Overview
Top importers include the USA, Germany, and Japan, while major exporters are China, Russia, and Austria.
Frequently Asked Questions
What is HS code 251990?
HS code 251990 covers: Magnesia, fused or dead-burned (sintered); whether or not containing small quantities of other oxides added before sintering, other magnesium oxide, whether or not pure, (not natural magnesium carbonate). This HS code encompasses various forms of processed magnesium oxide (magnesia), specifically fused or dead-burned (sintered) magnesia, and other pure or impure magnesium oxides, excluding natural magnesium carbonate. This category represents highly refined and thermally treated magnesium products, crucial for high-performance industrial applications. Major importers are countries with advanced metallurgical, refractory, and electrical industries, as these forms of magnesia are essential for manufacturing high-temperature resistant materials, electrical insulators, and specialized ceramics. Exporters are typically nations with the technological capability for advanced mineral processing, often converting raw magnesite or magnesium hydroxide into these high-value forms. Key considerations in trade include the purity level, crystal size, density, and specific properties like electrical resistivity or thermal conductivity, which dictate their suitability for demanding applications. This code signifies a significant value-added product in the magnesium supply chain.
What products fall under HS code 251990?
Fused magnesia, Dead-burned magnesia, Sintered magnesia, High-purity magnesium oxide, Electrical-grade magnesia, Refractory magnesia, Caustic calcined magnesia
What are common misclassifications for HS code 251990?
This code is frequently confused with 251910 (natural magnesium carbonate/magnesite) because both are magnesium-based, but 251990 covers processed oxides, not the raw carbonate. It might also be mistaken for certain calcined dolomite products (251820) if the magnesium oxide content is the primary focus, but 251990 is specifically magnesium oxide.
How is HS code 251990 structured?
HS code 251990 is a 6-digit subheading under the Harmonized System. The first 2 digits (25) identify the chapter, digits 3-4 (19) identify the heading, and digits 5-6 (90) specify the subheading. This code is standardized globally by the World Customs Organization.