🇬🇧
United Kingdom
8540910090
Other
Details
- Parent HS6
- 854091 Tubes; parts of cathode-ray tubes
Related United Kingdom Codes
8540910010
For use in certain types of aircraft
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
8540910090
Other