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.

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 and chromaticity tester TP-A10

Whiteness and chromaticity tester TP-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
Mullen burst tester TP-K10

Mullen burst tester TP-K10

  • Measurement range
  • 0 to 5600 kPa
  • Accuracy
  • ± 0.5 % F.S.
  • Compression speed
  • 170 ± 15 ml/min
Paper and cardboard thickness meter TP-E20

Paper and cardboard thickness meter TP-E20

  • Measuring range
  • 0 to 4 mm
  • Accuracy
  • 0.01 or 0.001 mm
  • Gauge
  • Analogue gauge display
Pulp beating (refining) freeness tester TP-C10

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

Plastic Testing Instruments

Vacuum Leak Tester TVLT-A10

Vacuum Leak Tester TVLT-A10

  • Vacuum degree
  • 0 to 90 KPa
  • Accuracy
  • 1 % FS
  • Resolution
  • 0.1 KPa
Melt flow Indexer TMFI-A10

Melt flow Indexer TMFI-A10

  • Measuring range
  • 0.01 to 600.00 g/ 10 min (MFR), 0.01 to 600.00 cm/ 10 min (MVR), 0.001 to 9.999 g/cm (melt density)
  • Measuring rate
  • 0.001 S
  • Temperature range
  • 50 to 400°C
Aging Oven TAO-A10

Aging Oven TAO-A10

  • The maximum temperature
  • 300°C
  • Temperature fluctuation
  • Within ± 0.5°C
  • Temperature uniformity
  • Within ± 1°C
Lasting adhesive tester TLAT-A10

Lasting adhesive tester TLAT-A10

  • Standard roller
  • 2000 ± 50 g
  • Testing stations
  • 3
  • Dimension (L*W*H) tester
  • 320×210×550 mm (3 stations)

Rubber Testing Instruments

Mooney viscometer TMV-A10

Mooney viscometer TMV-A10

  • Control temperature range
  • Normal temperature to 200°C
  • Temperature display resolution
  • 0.01°C
  • Temperature control accuracy
  • ± 0.3°
No rotor rheometer TNRR-A10

No rotor rheometer TNRR-A10

  • Temperature tester
  • Room temperature to 200°C
  • Temperature display resolution
  • 0.1°C
  • Temperature control accuracy
  • ≤ ± 0.3°C
DIN abrasion tester TDAT-A10

DIN abrasion tester TDAT-A10

  • Test arm weight
  • 2.5 N
  • Additional Loads
  • 2.5 ± 0.1 N, 5 ± 0.1 N, 10 ± 0.1 N,
  • Idler
  • 150 mm
Rubber low temperature brittleness tester TRBT-A10

Rubber low temperature brittleness tester TRBT-A10

  • Temperature range
  • -60°C to 0°C
  • Temperature accuracy
  • ± 0.5°C
  • Impact speed
  • 2 m/s ± 0.2 m/s

NDT Testing Instruments

Digital Brinell hardness Tester TDBH-A10

Digital Brinell hardness Tester TDBH-A10

  • Test force
  • 612.5 N, 980 N, 1225 N
  • Brinell hardness test
  • 1837.5 N, 2450 N, 4900 N/7350 N, 9800 N, 14700 N/29400 N
  • Hardness measuring area
  • 8 to 650 HBW (hard metals steel ball)
Rockwell hardness meter TRHM-A11

Rockwell hardness meter TRHM-A11

  • Preliminary test force
  • 98 N
  • Total test force
  • 588, 980, 1471 N
  • Total test force dwell time
  • 1 to 30 S
Rockwell hardness meter (motorized type) TRHM-B10

Rockwell hardness meter (motorized type) TRHM-B10

  • Preliminary test force
  • 98 N
  • Total test force
  • 588, 980, 1471 N
  • Brinell hardness test
  • 306, 613, 1839 N
Portable Vibration Calibrator LPVC-A10

Portable Vibration Calibrator LPVC-A10

  • Frequency (continually adjustable)
  • 10 Hz to1280 Hz + 0.01 %
  • Amplitude acceleration ( at 30m/s2 pk )
  • 40 Hz to 320 Hz + 0.3 dB + 1 digit
  • Amplitude velocity ( at 25mm / sec pk )
  • 40 Hz to 320 Hz + 0.5dB +1 digit

Other Testing Instruments

Benchtop gloss meter TBGM-A10

Benchtop gloss meter TBGM-A10

  • Test angle
  • 60°
  • Gloss aperture
  • 2 × 3 mm
  • Measurement range
  • 0 to 1000 GU