Aktívna norma | Vydaná: 02.07.2009

ISO 27448:2009

Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for self-cleaning performance of semiconducting photocatalytic materials — Measurement of water contact angle
(Céramiques techniques — Méthode d´essai de la performance auto nettoyante des matériaux photocatalytiques semiconducteurs — Mesurage de l´angle de contact de l´eau)

Dostupné jazyky: Anglicky

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Podrobné informácie

Označenie: ISO 27448:2009

Dátum vydania: 02.07.2009

Stránok: 9

Krajina: Medzinárodná technická norma

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Anotácia

Description / Abstract: ISO 27448:2009 deals with fine ceramics. ISO 27448:2009 specifies a test method for the determination of the self-cleaning performance of materials that contain a photocatalyst or have photocatalytic films on the surface, and which are usually made from semiconducting metal oxides such as titanium dioxide. This method is used to measure the water contact angle under illumination with ultraviolet light, which is one of the indices influencing the self-cleaning performance of photocatalytic materials. ISO 27448:2009 does not include water-permeable substrates, rough surfaces which do not have exposed water droplets, highly hydrophobic, powder or granular materials, or visible light-sensitive photocatalysts.

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