Tungsten Filament Replacement Cartridge

Precision tungsten filament cartridge for SEM electron guns in materials characterization labs. Repair component for 9810.00.60-admitted scanning electron microscopes at educational institutions.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+10.0%10%
🇲🇽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.

8101.99Higher: 13.7% vs 10%

If bulk tungsten wire import

Unworked tungsten products classify under base metals Chapter 81

9012.10.00.00Higher: 35% vs 10%

If complete electron gun assembly

Finished electron microscope guns classify under Chapter 90

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

Match filament specifications to parent SEM model; provide evidence of institutional nonprofit status; document repair assembly under customs supervision

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