Lithium Tungsten Hydride
Lithium tungsten hydride is a complex hydride of tungsten used for solid-state hydrogen storage in batteries and fuel cells. It is a chemically defined hydride of tungsten, classified under tariff item 2850.00.00. The product offers 7-9 wt% reversible hydrogen capacity.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product contains carbide impurities
Compounds that are also carbides are excluded from heading 28.50.
If the product is a mixture with other hydrides
Mixed products not meeting Chapter 28 criteria may fall under heading 38.24.
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
• Classify the product as a complex hydride of tungsten
• Provide a certificate of analysis showing the lithium and tungsten content
• The CBSA may require a safety data sheet due to the hydrogen storage properties
Related Products under Tariff item 2850.00.00
Calcium Azide Airbag Initiator
Stabilized calcium azide for automotive airbag squibs and detonators. This chemically defined azide of calcium falls under tariff item 2850.00.00 as an azide, other than compounds which are also carbides of heading 28.49. The stabilization reduces sensitivity for safe handling in initiator applications.
Calcium Azide Fine Powder
Calcium azide (Ca(N3)2) fine powder used as an initiator in airbag inflators and explosives. This chemically defined azide of calcium is classified under tariff item 2850.00.00, which covers azides whether or not chemically defined. The product is extremely shock-sensitive and requires specialized handling.
Calcium Boride Crystals
Calcium boride (CaB6) crystals used in refractory materials and neutron absorbers for nuclear applications. This chemically defined boride of calcium is classified under tariff item 2850.00.00, which covers borides whether or not chemically defined. The product is known for high hardness and thermal stability.
Calcium Boride Neutron Absorber
Calcium boride (CaB6) pellets used as control rod material in nuclear reactors. This chemically defined boride of calcium falls under tariff item 2850.00.00 as a boride, other than compounds which are also carbides of heading 28.49. The high boron-10 content provides effective neutron capture.
Calcium Hydride Powder
Calcium hydride (CaH2) is a grayish-white powder used as a desiccant and reducing agent in chemical synthesis and hydrogen generation. This chemically defined hydride of calcium is classified under tariff item 2850.00.00, which covers hydrides whether or not chemically defined. It is distinct from carbides in heading 28.49.
Calcium Nitride for LEDs
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