Dear Customer,
This year, on the occasion of our 100th anniversary, we will be positioning ourselves for the future as part of the DIN Group with a new name.
And so as of April 22, 2024
Beuth Verlag will become DIN Media.
You can find out more about our new name and the reasons behind it here.
Yours sincerely,
Beuth Verlag
Standard [WITHDRAWN]
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The standard DIN ISO 9211-4 is part of a series of standards specifying surface treatments of components and substrates (excluding ophthalmic optics/spectacles), by the application of optical coatings. This part of ISO 9211 describes specific test procedures for coating environmental durability tests that are identified in ISO 9211-3 but not described in other normative references. They are typically performed in sequence with other test methods for testing the environmental durability of coatings, as described in ISO 9211-3:2008, Annex A. The responsible body involved in the preparation of this standard was NA 027-01-03 AA "Dünne Schichten für die Optik" ("Optical coatings") at DIN.
This document replaces DIN ISO 9211-4:2008-06 .
This document has been replaced by: DIN ISO 9211-4:2023-07 .