Self-Luminous Tritium Exit Sign
A self-luminous emergency exit sign that uses tritium-filled glass tubes for illumination without external power. The sign contains tritium gas in a mixture with phosphors, providing a specific radioactivity above the Chapter threshold. It falls under tariff item 2844.41.00 as a product containing tritium.
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 sign is electrically powered and does not contain tritium
Electric luminaire signs are classified under this 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
• Obtain a valid CNSC import license for tritium-containing devices before shipping
• Ensure the sign meets Canadian electrical and fire safety standards (e.g
• CSA)
• Provide documentation of the tritium activity per unit to customs
Related Products under Tariff item 2844.41.00
GTLS Tritium Keychain Light
A glass tube tritium light source (GTLS) mounted in a keychain, providing continuous self-luminous illumination. The tritium gas is contained within a glass tube coated with a phosphor, making it a mixture containing tritium. It qualifies under tariff item 2844.41.00 as a product containing tritium.
Tritiated Thymidine (3H-TdR)
Tritiated thymidine is a radioactively labeled organic compound used in biological research to measure DNA synthesis. As a compound of tritium, it is classified under tariff item 2844.41.00, which covers tritium and its compounds. The product is chemically defined and meets the Chapter 28 criteria for radioactive compounds.
Tritiated Water (HTO) Solution
Tritiated water (HTO) is an aqueous solution of water where hydrogen atoms are replaced with tritium, used as a tracer in scientific studies. It is a compound of tritium and qualifies under tariff item 2844.41.00. The solution meets the Chapter 28 criteria for radioactive compounds.
Tritium Alloy Wire
A titanium-tritide alloy wire used in neutron generators, where tritium is bound within the metal matrix. This alloy contains tritium compounds and has a specific radioactivity exceeding the Chapter threshold. It falls under tariff item 2844.41.00 as an alloy containing tritium.
Tritium Calibration Source
A sealed calibration source containing tritium adsorbed on a substrate, used to calibrate beta radiation monitors. The source is a mixture containing tritium and meets the specific radioactivity criteria. It is classified under tariff item 2844.41.00 as a product containing tritium.
Tritium Ceramic Scintillator
A ceramic scintillator doped with tritium and scintillator crystals for radiation detection. This ceramic product contains tritium compounds and has a specific radioactivity above the threshold. It falls under tariff item 2844.41.00 as a ceramic product containing tritium.