Water absorptiveness of paper or paperboard with the COBB method

Mechanical testingMechanical testing

The test measures the water aborptiveness of sized paper and board. The method is not suitable for grades with grammage less than 50 g/m2 or embossed paper. It is also not suitable for highly water absorbing papes, such as blotting papers. The absorption time can be chosen by the customer. The result will be expressed as absorbed water per surface area g/m2.

Suitable sample matrices
Paper or paperboard with basis weigth over 50 g / m2
Typical turnaround time
2 weeks after receiving the samples
Quality system
Accredited test method, Accredited testing laboratory
Device families
Precision scale
ISO 535
Method expert


First sample


per sample

Additional samples


per sample

Prices excluding VAT.

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1.Order one of our testing services or ask for help.
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2.Send us your samples.
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3.We measure your materials or products.
Report inside an envelope
4.You receive the test report and the results in your email.

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