Aktívna norma | Vydaná: 14.08.2017

ISO 8791-3:2017-ed.3.0

Paper and board — Determination of roughness/smoothness (air leak methods) — Part 3: Sheffield method
(Papier et carton — Détermination de la rugosité/du lissé (méthodes du débit d´air) — Partie 3: Méthode Sheffield)

Dostupné jazyky: Anglicky

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Podrobné informácie

Označenie: ISO 8791-3:2017-ed.3.0

Dátum vydania: 14.08.2017

Stránok: 14

Krajina: Medzinárodná technická norma

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Anotácia

Description / Abstract: ISO 8791-3:2017 specifies a method for the determination of the roughness of paper and board using the Sheffield apparatus. ISO 8791-3:2017 is applicable to papers and boards which have Sheffield roughness values between 10 ml/min and about 3 000 ml/min. It is not suitable for soft papers which allow the lands of the test head to indent the surface, or for high air-permeance papers which allow a significant flow of air through the sheet, or for papers which will not lie flat during the test.

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