Customs tariff code 8540910020

Thermionic electron source (emitter point) of lanthanum hexaboride (CAS RN 12008-21-8) or cerium hexaboride (CAS RN 12008-02-5), with electric connectors - with or without a metal housing, - with or without a graphite carbon shield mounted in a mini-Vogel type system, - with or without separate pyrolytic carbon blocks used as heating elements, and - a cathode temperature of less than 1 800 K at a filament current of 1,26 A

Tariff classification hierarchy

  1. 85 ELECTRICAL MACHINERY AND EQUIPMENT AND PARTS THEREOF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORDERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES
  2. 8540 Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes)
  3. 854091 Parts
  4. 854091 Of cathode ray tubes
  5. 8540910020 Thermionic electron source (emitter point) of lanthanum hexaboride (CAS RN 12008-21-8) or cerium hexaboride (CAS RN 12008-02-5), with electric connectors - with or without a metal housing, - with or without a graphite carbon shield mounted in a mini-Vogel type system, - with or without separate pyrolytic carbon blocks used as heating elements, and - a cathode temperature of less than 1 800 K at a filament current of 1,26 A

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The catalogue provides classification information from a dated data snapshot. The applicable duty rate depends on origin and import date. Anti-dumping and countervailing duties, safeguards and other conditions may apply. It does not establish a universal or guaranteed duty rate.