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Also called photoluminescence or afterglow pigments, Super-LumiNova is a non-radioactive and non-toxic alternative for illuminating markings on watch dials and hands in the dark. Selected grades of new chemical compositions have up to 100 times better brightness than previous zinc sulphide materials.
Additional recommended knowledge
These pigments operate like a light battery. After sufficient activation by sunlight or artificial light, they glow in the dark for many hours. Larger markings are visible for the whole night. This activation and subsequent light emission process can be repeated again and again, and the material does not suffer any aging. Tritium had the advantages of being self-powered and producing a consistent luminosity that did not fade during the night.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Super-LumiNova". A list of authors is available in Wikipedia.|