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Harmonized System Codes • Schedule B • Harmonized Commodity Description

The HS Code 28500005: Hydride, Nitride, Azide, Silicide, and Boride of Calcium

The HS Code 28500005 refers to a specific category of products known as hydride, nitride, azide, silicide, and boride of calcium. These substances are compounds that contain calcium and other elements, such as hydrogen, nitrogen, silicon, and boron, in various combinations. This HS code is used to classify and regulate the import and export of these specific chemical compounds.

When it comes to international trade, HS codes play a crucial role in facilitating the identification and classification of goods. They are used by customs authorities and trade organizations to ensure accurate and consistent categorization of products for tariff purposes, statistical analysis, and regulatory compliance.

The product description for HS Code 28500005 includes a range of calcium compounds. Calcium hydride (CaH2) is a white, crystalline solid that is commonly used in the production of hydrogen gas. Calcium nitride (Ca3N2) is a yellowish powder that is used in the manufacturing of fertilizers and as a reducing agent in certain chemical reactions. Calcium azide (Ca(N3)2) is a highly explosive compound that is primarily used in airbags for automotive safety. Calcium silicide (CaSi2) is a grayish-black powder that is utilized in the production of steel and as a deoxidizer in certain metallurgical processes. Lastly, calcium boride (CaB6) is a black, crystalline solid that has applications in high-temperature ceramics and as a reducing agent in certain chemical reactions.

The bound/MFN duty rate for products classified under HS Code 28500005 is free. This means that no import duties or tariffs are imposed on these goods when they are traded between countries. The concept of bound/MFN (Most Favored Nation) duty rate ensures that when a country lowers a trade barrier or opens up a market, it has to do so for the same goods or services from all its trading partners. This promotes fair and equal treatment in international trade.

The quantity unit for products classified under HS Code 28500005 is kilograms (KG). This unit of measurement is used to determine the weight or mass of the imported or exported goods. It is important for accurate record-keeping and calculation of duties, taxes, and other trade-related costs.

Special tariff preference programs can also apply to products classified under HS Code 28500005. These programs are designed to provide specific benefits or exemptions to certain countries or regions, encouraging trade and economic growth. The eligibility and conditions for these programs vary and can include reduced or zero tariffs, streamlined customs procedures, and preferential market access.

When it comes to importing or exporting products classified under HS Code 28500005, various US states play a role. Some of the states that commonly import these calcium compounds include Montana, while the exporting states can vary depending on the specific market demand and supply dynamics.

the HS Code 28500005 encompasses a range of calcium compounds, including hydride, nitride, azide, silicide, and boride of calcium. These substances have diverse applications in industries such as hydrogen production, fertilizer manufacturing, automotive safety, steel production, and ceramics. Understanding the HS code and its associated product description, duty rates, quantity units, and special tariff preference programs is crucial for businesses and individuals involved in international trade.



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