Name: Water absorption tester- Cobb Tester TP-C21
Brand: Labtron
SKU: TP-C21
Rating: 4.9 (729 reviews)

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.

Vertical Tensile Tester LVTT-D12

Capacity (MAX) : 5KN (10N, 20N, 50N, 100N, 200N, 500N, 1KN, 2KN, 5KN sensors available)
Control Method : Full computer control mode, powerful software
Unit of Force : N, kN, gf, kgf, lbf, kP, tf(SI), tf (long)...
Unit of Length : mm, cm, Inch, m, km, um..

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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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Carton compression tester TP-I11

Measuring range : 1 to 50 kN
Indication error : < ± 1%
Platen Size : 800×800 mm/ 1000×1000 mm/ 1200×1200 mm/ 1500×1500 mm (customized)
Operating stroke : 800 mm/ 1000 mm/ 1200 mm/ 1500 mm (customized)

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Ring Type Adhesion Tester LRAT-A10

Capacity (MAX) : 50N
Control Method : Full computer control mode, powerful software
Unit of Force : N、kN、gf、kgf、lbf、kP、tf(SI)、tf(long)...
Unit of Length : mm、cm、Inch、m、km、um...

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Vertical Tensile Tester LVTT-C11

Capacity (MAX) : 1KN (optional 10N~1KN force sensor)
Control Method : Full computer control mode, powerful software
Unit of Force : N, kN, gf, kgf, lbf, kP, tf(SI), tf (long)...
Unit of Length : Mm, cm, Inch, m, km, um..

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Paper tearing tester TP-J20

Measuring range : 0 to 1000 mN
Resolution : 0.1 mN
Indication error : ± 1 %
Tearing arm : 104 ± 1 mm

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Whiteness Meter LWM-A11

Incidence Angle : 45/0
Measurement Range : 0 to199.9
Whiteness Formula : Whiteness of Blue Light
Light Source : D65

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Softness tester TP-H10

Measurement range : 10 to 1000 mN
Division value : 1 mN
Accuracy : ±1%
Indicating error : ≤0.5

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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