Water absorbance of paper or board with the Cobb method
This Cobb test measures the water absorption properties of paper and board. The method is not suitable for grades with grammage less than 50 g/m2 or embossed paper. It is also unsuitable for highly water-absorbing papers, such as blotting papers.
The absorption time can be chosen by the customer. The result will be expressed as absorbed water per surface area (in g/m2).
- Suitable sample matrices
- Paper or paperboard with basis weight over 50 g/m2
- Typical turnaround time
- 2 weeks after receiving the samples
- Available quality systems
- Accredited testing laboratory
- Device types
- Standard
- Method expert
Paper and board
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