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Water absorption tester- Cobb Tester TP-C21 | labtron.uk

Water absorption tester- Cobb Tester TP-C21

Water absorption tester- Cobb Tester TP-C21 is used for the determination of the water absorption of sized paper, paperboard, and corrugated paper under standard conditions within 200 to 250 g/m2 range by Cobb method. It is adopted with overturn structure for ease of operations.

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Measurement range
Slider weight
Slider size
Testing accuracy
Dimension of working plate
Speed of slider
Slider stroke
Specimen size
Division value
Number of specimen holders
Metal Cylinder inner area (100 ± 0.2) cm2
Metal Cylinder height 50 mm
Metal roller width (200 ± 0..5) mm
Metal roller weight (10 ± 0.5) kg
Absorbency paper 200 to 250 g/m2
Absorbency speed 75 mm/10 min
Sealed testing speed
Volume of distilled water
Sample diameter 125 mm
Sample error
Sample Thickness
Draining time
Residual water volume
Hydraulic pressure
Dimension 270×400×300 mm
Net Weight 35 kg
  • dopted with overturn structure
    Use of Cobb method for water absorption
    Absorption speed 75 mm/10 min
    Sample diameter 125 mm
    User friendly operation

Cobb tester (water absorption tester) is used to test water absorption of sized paper, paperboard, corrugated paper in paper & printing industry, packaging industry.

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dopted with overturn structure
Use of Cobb method for water absorption
Absorption speed 75 mm/10 min
Sample diameter 125 mm
User friendly operation
Cobb tester (water absorption tester) is used to test water absorption of sized paper, paperboard, corrugated paper in paper & printing industry, packaging industry.


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