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The Cobb/sizing is comes under the MISCELLANEOUS PROPERTIES.

If you do not want to use the old manual method. There do exists Automatic Cobb testers that also in addition to the static Cobb value for a given time, show you the dynamic Cobb value in a graph with time axis.

It is for example many times, more relevant to see the water uptake after ten seconds and not after one minute.

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βˆ™ 11y ago
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βˆ™ 1mo ago

To check the Cobb value of paper, you would typically use a Cobb tester. This device measures the amount of water that can be absorbed by a specific area of the paper surface in a set period of time. The Cobb value is expressed in grams per square meter (g/m2) and is an important indicator of the paper's absorbency.

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Q: How do you check Cobb value of paper?
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