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The Cobb test is a method to determine the amount of water that is absorbed, typically for paper or board.[1] It expresses the weight of water absorbed per surface unit of the tested material over a specific time.[2] It is often documented in g/m2. Different time units may be used, and it is therefore common to mention the chosen time frame in the note of the test. For example, a note of a Cobb60, corresponds to a test of 60 seconds.
- ^ ISO 535 - Paper and board - Determination of water absorptiveness - Cobb method, 1 July 1991
- ^ Holik, Herbert (2023). Handbook of Paper and Board. Weinheim, Germany: Wiley-VCH. p. 1084. ISBN 978-3-527-33184-0.
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