Calcium Carbide Lumps
Calcium carbide lumps (CaC2) are irregular chunks produced by reacting calcium oxide with carbon in an electric arc furnace, used primarily as a raw material for acetylene gas generation. This product is a separate chemically defined compound of calcium and carbon, classifiable under tariff item 2849.10.00.
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 are not of calcium
Other carbides fall under this alternative item.
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
• Confirm the lumps are pure calcium carbide and not mixed with other substances
• Be prepared to provide a certificate of analysis to the CBSA to support the classification
Related Products under Tariff item 2849.10.00
Calcium Carbide Granules 25-50mm
Granular calcium carbide sized 25-50mm, optimized for controlled acetylene release in portable generators and welding applications. This product is a separate chemically defined compound of calcium and carbon, falling under tariff item 2849.10.00 as a carbide of calcium.
Calcium Carbide Powder 200 Mesh
Ultra-fine 200 mesh calcium carbide powder for chemical research and micro-scale acetylene generation. This product is a separate chemically defined compound of calcium and carbon, classifiable under tariff item 2849.10.00 regardless of particle size.
High-Purity Calcium Carbide 98%
High-purity calcium carbide at 98% CaC2 content, used in specialty chemical synthesis and laboratory acetylene production. This chemically defined compound of calcium is specifically covered by tariff item 2849.10.00.
Industrial Calcium Carbide Briquettes
Calcium carbide formed into dense briquettes for efficient storage and transport in steelmaking and carbide lamp applications. This product is a separate chemically defined compound of calcium and carbon, classifiable under tariff item 2849.10.00.
Technical Grade Calcium Carbide 85%
Technical grade calcium carbide with 85% minimum CaC2 purity for cost-effective acetylene production in developing markets. This product is a separate chemically defined compound of calcium and carbon, classifiable under tariff item 2849.10.00.