Crude Silicon Carbide (SiC) Lumps
Crude silicon carbide lumps produced by high-temperature reaction of silica sand and carbon, used mainly as abrasive raw material. These unrefined lumps are chemically defined silicon carbide, classifiable under tariff item 2849.20.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the lumps contain significant other carbides
Mixed carbides may fall under the residual heading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Keep records of the manufacturing process to prove the product is crude and not refined
• Check if the lumps contain impurities that might affect classification
• Use the correct HS code 2849.20.00 in your customs declaration
Related Products under Tariff item 2849.20.00
Black Silicon Carbide Crude Chunks
Black crude silicon carbide chunks from the Acheson furnace process, with irregular shapes and over 97% SiC content. These are unrefined, chemically defined silicon carbide, falling squarely under tariff item 2849.20.00 for carbides of silicon.
Black Silicon Carbide Grain 16/30 Mesh for Steel Deoxidation
Black silicon carbide grains sized 16/30 mesh, used in steelmaking for deoxidation and slag conditioning. These ground grains are refined silicon carbide, classifiable under tariff item 2849.20.00.
Ferrosilicon Carbide Crude Briquettes
Crude ferrosilicon carbide briquettes from smelting, containing silicon carbide with iron impurities. These are crude silicon carbide forms, classifiable under tariff item 2849.20.00 as carbides of silicon, despite iron content.
Ferro-Silicon Carbide Grain 24/48 Mesh
Ferro-silicon carbide in granular form with 24/48 mesh, chemically defined as silicon carbide with iron additives, used as abrasive and deoxidizer. These grains are refined silicon carbide, fitting tariff item 2849.20.00.
Green Silicon Carbide Crude Nuggets
Green silicon carbide crude nuggets made with petroleum coke, offering higher purity for specialty uses. These unrefined nuggets are chemically defined silicon carbide, fitting tariff item 2849.20.00.
Green Silicon Carbide Micronized Powder 1200 Mesh
Green silicon carbide micronized to 1200 mesh, produced via Acheson process with higher purity, ideal for bonded abrasives and refractories. This pulverized form is refined silicon carbide, classifiable under tariff item 2849.20.00.