Sunday, 1 November 2026
Standing Office 81 (SOVNPA 81) emblem Viet Nam NVietnam National Presiding Agency
on Countering the Proliferation of Weapons of Mass Destruction
Standing Office 81

3C509Silicon, silicon oxides, germanium or germanium oxides, containing any of the following:

List
EU dual-use list – Annex I to Regulation (EU) 2021/821, updated annually
Originating regime
Quốc gia/EU
a. Silicon having an isotopic impurity less than 0,08 % of silicon isotopes other than silicon-28 or silicon-30; or
b. Germanium having an isotopic impurity less than 0,08 % of germanium isotopes other than germanium-70, germanium-72, germanium-74, or germanium-76.
Note:
3C509 includes "substrates", lumps, ingots, boules and preforms.