Dielectric Brazing Oven RF Window

Quartz RF window assembly that allows RF energy transmission into vacuum chambers of dielectric brazing ovens for electronics assembly. Part classified HTS 8514.90.8000 for dielectric loss heat treatment equipment. Prevents arcing while maintaining vacuum seal.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7013.99.50Higher: 40% vs 35%

If general glass articles

Glassware under Chapter 70 without RF transmission design.

8540.71Lower: 13.7% vs 35%

If microwave components

Certain microwave accessories under 8540.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Dielectric strength and vacuum leak test reports required

Specify RF power handling and frequency range

Protect quartz surfaces from contamination

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