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

Ink rubber tester TP-F10

Ink rubber tester TP-F10

  • Sample size (L*B)
  • 230×50 mm (can join short samples together)
  • Rub pressure
  • 20 ± 0.2 N
  • Friction speed
  • 43 times / min
Automatic horizontal tensile tester TP-B12

Automatic horizontal tensile tester TP-B12

  • Sample (size) length
  • 180 mm (180, 150, 100, 90, 50 mm adjustable)
  • Sample width
  • 15 mm
  • Measuring range
  • 0 to 30, 0 to 100 N,0 to 300 N, 0 to 500 N, 0 to 1000 N
Paper and cardboard thickness meter TP-E21

Paper and cardboard thickness meter TP-E21

  • Measuring range
  • 0 to 20 mm
  • Accuracy
  • 0.01 mm
  • Gauge
  • Analogue gauge display
Puncture strength tester TP-J12

Puncture strength tester TP-J12

  • 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
  • Pyramid dimension
  • Three sides: 60×60×60 mm, height 25 ± 0.7 mm, Arris edge fillet radius 1.5 ± 0.1 mm

Plastic Testing Instruments

Melt flow Indexer TMFI-A11

Melt flow Indexer TMFI-A11

  • Measuring range
  • 0.01to 600.00 g/ 10 min (MFR), 0.01 to 600.00 cm3/ 10 min (MVR), 0.001 to 9.999 g/ cm3 (melt density)
  • Measuring rate
  • 0.001 S
  • Temperature range
  • 50 to 400°C
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
Falling Weight Impact Tester TFWT-A10

Falling Weight Impact Tester TFWT-A10

  • Temperature range
  • 10 to 35°C
  • Maximum falling height
  • 2000 mm
  • Resolution of displacement
  • 1 mm
Vacuum Leak Tester TVLT-A10

Vacuum Leak Tester TVLT-A10

  • Vacuum degree
  • 0 to 90 KPa
  • Accuracy
  • 1 % FS
  • Resolution
  • 0.1 KPa

Rubber Testing Instruments

Rubber Low Temperature Brittleness Tester TRBT-A11

Rubber Low Temperature Brittleness Tester TRBT-A11

  • Temperature control range
  • Room temperature to -70 ℃ (room temperature ≤ 25 ℃)
  • Temperature accuracy
  • ± 0.3 ℃
  • Impact speed
  • 0℃ to -30℃ around 2.5 ℃/min '-30℃ to -40℃ around 2.5 ℃/min '-40℃ to -70℃ around 2.0 ℃/min
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
Three roll mill machine TRMM-A10

Three roll mill machine TRMM-A10

  • Mixed capacity
  • 0.5 to 1 kg, 2 to 3 kg, 5 to 7 kg
  • Temperature range
  • RT to 300°C
  • Temperature control system
  • PID control
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°

NDT Testing Instruments

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
Digital low load Vickers Hardness tester TDVH-A10

Digital low load Vickers Hardness tester TDVH-A10

  • Test force
  • 9.8 N, 49 N, 98 N, 196 N, 294 N, 490 N
  • Hardness value symbol
  • HV1, HV5, HV10, HV20, HV30, HV250
  • Error range in display
  • ± 3.0 %, ± 2.0 %
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