# The Export of Goods (Control) Order 1994, Paragraph 12: Table—Deposition Techniques—Notes


Modified zirconia refers to additions of other metal oxides, e.g., calcia, magnesia, yttria, hafnia, rare earth oxides, etc., to zirconia in order to stabilise certain crystallographic phases and phase compositions. Thermal barrier coatings made of zirconia, modified with calcia or magnesia by mixing or fusion, are not controlled.

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Source: https://www.legislation.gov.uk/uksi/1994/1191/schedule/1/paragraph/12 (the official version)
Page: https://openlegislation.uk/export-of-goods-control-order-1994/schedule-1/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.