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