Reference number
ISO 535:2023
© ISO 2025
International Standard
ISO 535:2023
Paper and board — Determination of water absorptiveness — Cobb method
Edition 4
2023-03
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Published (Edition 4, 2023)

ISO 535:2023

Language
Format
CHF 65
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Abstract

This document specifies a method for determining the water absorptiveness of paper and board, including corrugated fibreboard, under standard conditions.

This document is not applicable for paper of grammage less than 50 g/m2 or embossed paper. It is not applicable for porous papers such as newsprint or papers such as blotting paper or other papers having a relatively high-water absorptiveness for which ISO 8787 is more suitable.

General information

  • Status
     : Published
    Publication date
     : 2023-03
    Stage
    : International Standard published [60.60]
  • Edition
     : 4
    Number of pages
     : 10
  • Technical Committee :
    ISO/TC 6/SC 2
    ICS :
    85.060 
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