# The Nuclear Safeguards (Notification) Regulations 2004, Paragraph: EXPLANATORY NOTE


Many of the items listed in this section come into direct contact with uranium metal vapor or liquid or with process gas consisting of UF6 or a mixture of UF6 and other gases. All surfaces that come into contact with the uranium or UF6 are wholly made of or protected by corrosion-resistant materials. For the purposes of the section relating to laser-based enrichment items, the materials resistant to corrosion by the vapor or liquid of uranium metal or uranium alloys include yttria-coated graphite and tantalum; and the materials resistant to corrosion by UF6 include copper, stainless steel, aluminium, aluminium alloys, nickel or alloys containing 60% or more nickel and UF6-resistant fully fluorinated hydrocarbon polymers.

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Source: https://www.legislation.gov.uk/uksi/2004/1255/schedule/part/II/paragraph/wrapper31n1 (the official version)
Page: https://openlegislation.uk/nuclear-safeguards-notification-regulations-2004/schedule/part-II/paragraph-wrapper31n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.