Dielectric Brazing Oven RF Window
A quartz RF window assembly that transmits radio-frequency energy into the vacuum chamber of a dielectric brazing oven used in electronics assembly. This component is essential to the operation of dielectric loss heat treatment equipment, as it allows the RF field to reach the workpiece while maintaining vacuum integrity. It is classified as a part of industrial or laboratory electric furnaces and ovens under tariff item 8514.90.00.
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 item is an optical fibre cable rather than a quartz window
Optical fibre cables are classified in Chapter 85 as electrical conductors, not as furnace parts.
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
• Ensure the RF window is declared as a part of dielectric loss heat treatment equipment, not as a standalone optical component, to benefit from the parts classification
• Keep technical documentation showing its function in the brazing oven in case CBSA requests verification
• Verify whether the goods qualify for preferential tariff treatment under a free trade agreement to potentially reduce duty
Related Products under Tariff item 8514.90.00
Dielectric Heating Capacitor Assembly
A high-voltage capacitor module used in dielectric loss heating ovens for industrial drying of wood or plastics. The capacitor enables uniform heat distribution by storing and releasing electrical energy that excites the material's molecules. It is classified as a part of equipment for heat treatment by dielectric loss under tariff item 8514.90.00.
Dielectric Oven Electrode Plate
Stainless steel electrode plates positioned within dielectric loss ovens to generate the electric field for heating adhesives or textiles industrially. These plates are critical for creating the alternating electromagnetic field that excites polar molecules in the material. They are classified as parts of equipment for heat treatment by dielectric loss under tariff item 8514.90.00.
Heat Treatment Oven Thermocouple Sheath
An Inconel protective sheath for Type K thermocouples monitoring temperatures in industrial heat treatment electric ovens. The sheath withstands oxidation in carburizing atmospheres, protecting the thermocouple from harsh furnace conditions. It is classified as a part of industrial or laboratory electric furnaces under tariff item 8514.90.00.
Induction Furnace Crucible Liner
A replaceable graphite or ceramic liner designed for use inside the crucible of an industrial induction furnace to contain molten metals during melting processes. The liner protects the crucible from thermal and chemical degradation. It is classified as a part of industrial electric induction furnaces under tariff item 8514.90.00.
Induction Hardening Power Coil
A water-cooled copper tubing coil used in induction hardening machines for surface heat treatment of automotive gears and shafts. The coil generates the alternating magnetic field that heats the workpiece's surface. It is classified as a part of industrial equipment performing heat treatment by induction under tariff item 8514.90.00.
Induction Melting Furnace Yoke Assembly
A laminated steel yoke that directs magnetic flux in coreless induction melting furnaces for non-ferrous metals. The yoke is essential for efficient operation, reducing energy losses during melting. It is classified as a part of industrial electric induction furnaces under tariff item 8514.90.00.