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      Cobb Water absorption tester 61-PPT108

      Cobb Water absorption tester 61-PPT108

      Water absorption tester- Cobb Tester 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.

      Paper Testing Instruments

      Whiteness & chromaticity Tester 61-PPT100

      Whiteness & chromaticity Tester 61-PPT100

      • 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
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      Whiteness Meter 61-PPT101

      Whiteness Meter 61-PPT101

      • Sample (size) length : Diameter ≥30 mm, Thickness ≤ 40 mm
      • System : D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150mm, testing hole diameter 30mm
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      Tensile stifness tester 61-PPT102

      Tensile stifness tester 61-PPT102

      • Sample (size) length : 38×70 mm
      • Measuring range : (1-500) mN.m (divided into 7 small ranges)
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      Automatic Tensile tester Horizontal 61-PPT103

      Automatic Tensile tester Horizontal 61-PPT103

      • Sample (size) length : 90 to 200 mm
      • Sample width : 15 mm, 25 mm, 50mm
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      Tensile horizontal tester 61-PPT104

      Tensile horizontal tester 61-PPT104

      • Sample (size) length : 180 mm (180, 150, 100, 90, 50 mm adjustable)
      • Sample width : 15 mm
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      Vertical tensile tester 61-PPT105

      Vertical tensile tester 61-PPT105

      • Sample (size) length : 0 to 200 mm adjustable
      • Sample width : 15 mm
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      Pulp beating freeness tester 61-PPT106

      Pulp beating freeness tester 61-PPT106

      • Measurement range : 0 to 100° SR
      • Sealed testing speed : 100 ± 10 mm/s
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      Water absorption tester (KLEMN type) 61-PPT107

      Water absorption tester (KLEMN type) 61-PPT107

      • Measurement range : 0 to 200 mm
      • Specimen size : 15×250 mm
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      Cobb sample cutter 61-PPT109

      Cobb sample cutter 61-PPT109

      • Sample diameter : 125 mm
      • Sample error : ± 0.2 mm
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      Coefficient of friction tester 61-PPT110

      Coefficient of friction tester 61-PPT110

      • Measurement range : 0.01 to 10 N
      • Slider weight : 200 g
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      Electronic bending stiffness tester 61-PPT111

      Electronic bending stiffness tester 61-PPT111

      • Testing speed : 200° ± 20° / min
      • Test range : 1 to 10000 mN
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      Paper and cardboard thickness meter 61-PPT112

      Paper and cardboard thickness meter 61-PPT112

      • Measuring range : 0 to 4 mm
      • Accuracy : 0.01 or 0.001 mm
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      Corrugated cardboard thickness meter 61-PPT113

      Corrugated cardboard thickness meter 61-PPT113

      • Measuring range : 0 to 20 mm
      • Accuracy : 0.01 mm
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      Ink rubber tester 61-PPT114

      Ink rubber tester 61-PPT114

      • Sample size (L*B) : 230×50 mm (can join short samples together)
      • Rub pressure : 20 ± 0.2 N
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      Standard strip cutter 61-PPT115

      Standard strip cutter 61-PPT115

      • Sample width : 15 mm
      • Sample maximum length : 300 mm
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      Softness tester 61-PPT116

      Softness tester 61-PPT116

      • Measuring range : 10 to 1000 mN
      • Division value : 1 mN
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      Compression tester 61-PPT117

      Compression tester 61-PPT117

      • Measuring range : 0.1 to 10 kN
      • Indication error : < ± 1%
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      Compression tester 61-PPT118

      Compression tester 61-PPT118

      • Measuring range : 1 to 50 kN
      • Indication error : < ± 1%
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      Air permeability tester 61-PPT119

      Air permeability tester 61-PPT119

      • Measuring range : 0 to 1000 ml/min
      • Test area : 10 ± 0.02 cm2
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      Internal Ply bond Tester 61-PPT120

      Internal Ply bond Tester 61-PPT120

      • Capacity : A: 20 to 500 J/m2 B: 500 to 1000 J/m2
      • Impact angle : 90°
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      Puncture strength tester 61-PPT121

      Puncture strength tester 61-PPT121

      • Measuring range : A (1 to 6) J indicating error ± 0.05 J
        B (1 to 12) J indicating error ± 0.05 J
        C (1 to 24) J indicating error ± 0.05 J
        D (1 to 48) J indicating error ± 0.05 J
        The indicating errors w.r.t measurement range of 20 to 80 %
      • Frictional resistance : <0.25 J
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      Paper tearing tester 61-PPT122

      Paper tearing tester 61-PPT122

      • Measuring range : 0 to 1000 mN
      • Resolution : 0.1 mN
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      Electronic Tearing tester 61-PPT123

      Electronic Tearing tester 61-PPT123

      • Capacity : 10 -16000 mN
      • Resolution : 0.1 mN
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      Mullen burst tester / carboard bursting tester 61-PPT124

      Mullen burst tester / carboard bursting tester 61-PPT124

      • Measurement range : 0 to 5600 kPa
      • Accuracy : ± 0.5 % F.S.
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      Mullen burst tester/ paper bursting tester 61-PPT125

      Mullen burst tester/ paper bursting tester 61-PPT125

      • Measurement range : 0 to 1600 kPa
      • Accuracy : ± 0.5 % F.S.
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      Crush tester 61-PPT126

      Crush tester 61-PPT126

      • Measurement range : 5 to 500 N, 50 to 3000 N
      • Resolution : 1 N
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      Automatic bekk smoothness tester 61-PPT127

      Automatic bekk smoothness tester 61-PPT127

      • Measuring scope : ( 1 to 9999) s, divided in to (1 to 15) s, (15 to 300) s, (300 to 9999) s, the automatic (no. more than 200 s)
      • Accuracy : ±0.1 s within 300 s
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      MIT Folding endurance tester 61-PPT128

      MIT Folding endurance tester 61-PPT128

      • Measuring scope : 0 to 99999 s
      • Folding angle : 135° ± 2°
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