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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.

Water absorption tester- Cobb Tester TP-C21

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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