Water absorption tester- Cobb Tester TP-C21

Name: Water absorption tester- Cobb Tester TP-C21
Brand: Labtron
SKU: TP-C21
Rating: 4.7 (766 reviews)

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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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
Sample diameter	125 mm
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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Water absorption tester- Cobb Tester TP-C21 Catalog

Models of Paper Testing Instruments

Labtron Paper Testing Instruments requires air supply for automatic clamping, ensuring smooth and secure operation. These provide real-time pressure curve displays, allowing users to monitor pressure changes instantly. Their over-range reset function protects the sensor by automatically adjusting it in case of excessive readings. They measure ink absorption values, useful for quality control in printing processes. Our paper testing instruments measure WH Hunter whiteness, YI yellowness, and CIE whiteness for precise color and whiteness evaluations for various applications.

Coefficient Of Friction Tester LCOFT-A11

Force Measuring Range : 0 to 2 N (customizable)
Accuracy : 0.5 level
Sample Thickness : Up to 2 mm (customizable)
Coefficient Measurement Range : 0.001 to 0.999

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Internal Ply Bond Tester TP-J11

Measuring Range : A file: 20 to 500 J/m² B file: 500 to 1000 J/m²
Specimen Size : 25.4mm × 25.4mm
Sample Clamping Force : 0 to 400N (adjustable)
Impact Angle : 90°

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Paper Air Permeability Tester TP-J10

Measuring range : 0 to 1000 ml/min
Test area : 10 ± 0.02² cm
Area differential pressure : 1 ± 0.01 kPa
Inner diameter of grip ring : 35.68 ± 0.05 mm

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Carton compression tester TP-I10

Measuring range : 0.1 to 10 kN
Indication error : < ± 1%
Platen Size : 500×500 mm (customized)
Operating stroke : 500 mm (customized)

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Pulp beating (refining) freeness tester TP-C10

Measurement range : 0 to 100° SR
Sealed testing speed : 100 ± 10 mm/s
Volume of distilled water : 1000 ± 5 ml
Draining time : 149 ± 1 s

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Electronic bending stiffness tester TP-E10

Testing speed : 200° ± 20° / min
Test range : 1 to 10000 mN
Indicating Error : ± 1 %
Testing length : 5, 10, 15, 20, 25, 50 mm

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Ink Rub Tester LIRT-A10

Sample Area : 230 × 60 mm
Friction Stroke : 60 mm
Frequency Setting : 0 to 9999 auto-complete
Friction Area : 150 × 50 mm

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Whiteness and chromaticity tester LWACT-A10

Sample (size) length : Diameter ≥30 mm, Thickness ≤ 40 mm
Measurement mode : Diffuse reflection factor Rx, Ry, Rz, stimulus value Y10, X10, Z10, chromaticity coordinates x10, y10, z10; lightness L *, chroma a * b *, chroma C * ab, hue angle h * ab, dominant wavelength λd, excitement purity Pe, color difference ΔE * ab, lightness difference ΔL *, chroma difference ΔC * ab, hue difference ΔH * ab, Hunter system L , A, b
Stability : ≤ 0.1 within 30 min
Accuracy : Chromaticity co-ordinate 0.0001

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Paper Testing Instruments:
Coefficient Of Friction Tester LCOFT-A11, Internal Ply Bond Tester TP-J11, Paper Air Permeability Tester TP-J10, Carton compression tester TP-I10, Pulp beating (refining) freeness tester TP-C10, Electronic bending stiffness tester TP-E10, Ink Rub Tester LIRT-A10, Whiteness and chromaticity tester LWACT-A10, and more.

Catalogs : Laboratory Equipment Catalog, Analytical Equipment Catalog, Medical Equipment Catalog, Test Equipment Catalog, Petroleum Testing Catalog, Pharmaceutical Machinery Catalog, Security Systems Catalog, Lab Products Catalog.

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Labtron Equipment Ltd. Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom

Email: info@labtron.com

WhatsApp: +44 73 4441 2688

Phone: +44 2080 043608

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