CRT Purity Glass Sample Disc
This small glass disc with phosphor coating is used during CRT manufacturing to check glass purity and contamination levels. It is a part of a cathode-ray tube, but it is not an electron gun or an RF interaction structure. Thus, it is classified under this tariff item as 'other' parts.
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 |
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 sample disc as a part of a cathode-ray tube, and ensure it is not declared as a complete tube
• Provide technical documentation showing its use in quality control during CRT manufacturing
• Be aware of any import restrictions on glass products
Related Products under Tariff item 8540.99.90
CRT Deflection Yoke Holder
This holder is used for mounting deflection yokes on CRT necks, aligning magnetic fields for electron beam scanning. It is a part of a cathode-ray tube, but it is not an electron gun or an RF interaction structure. Therefore, it falls under this tariff item as 'other' parts.
CRT Internal Magnetic Shielding
This mu-metal internal shielding sheet is placed between the CRT electron gun and deflection area to prevent external magnetic interference. It is a part of a cathode-ray tube, but it is not an electron gun or an RF interaction structure. Thus, it is classified under this tariff item as 'other' parts.
CRT Neck Extender Sleeve
This precision glass or ceramic sleeve extends the CRT neck for custom electron gun positioning in specialized applications, such as medical and scientific CRTs. It is a part of a cathode-ray tube, but it is not an electron gun or an RF interaction structure. Therefore, it falls under this tariff item as 'other' parts.
CRT Socket with Pin Contacts
This ceramic base socket with 19-pin gold-plated contacts is used for CRT neck board connections, providing filament and grid power. It is a part of a cathode-ray tube, but it is not an electron gun or an RF interaction structure. Therefore, it falls under this tariff item as 'other' parts.
Oscilloscope Cathode-Ray Tube Electron Gun
This electron gun is for high-speed oscilloscope cathode-ray tubes, providing precise beam deflection for waveform display in test and measurement equipment. It is a part of a cathode-ray tube, but it is not an electron gun for microwave tubes. Thus, it is classified under this tariff item as 'other' parts.