NEN NPR ISO/TS 24348 : 2014
Current
The latest, up-to-date edition.
OPHTHALMIC OPTICS - SPECTACLE FRAMES - METHOD FOR THE SIMULATION OF WEAR AND DETECTION OF NICKEL RELEASE FROM METAL AND COMBINATION SPECTACLE FRAMES
03-25-2014
Defines methods for accelerated wear and corrosion, to be used prior to the detection of nickel release from coated metal and combination spectacle frames, and for detecting the release of nickel from those parts of metal and combination spectacle frames, whether coated or not, intended to come into direct and prolonged contact with the skin, in order to determine whether such parts release nickel at a rate greater than 0,5 [mu]g/cm[2]/week.
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