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

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
Carton compression tester TP-I11

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)
Paper tearing tester TP-J20

Paper tearing tester TP-J20

  • Measuring range
  • 0 to 1000 mN
  • Resolution
  • 0.1 mN
  • Indication error
  • ± 1 %
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

Plastic Testing Instruments

Primary adhesive tester TPAT-A10

Primary adhesive tester TPAT-A10

  • Inclined adjustable angle
  • 0 to 40°
  • Panel width
  • 120 mm
  • Test area width
  • 80 mm
Lasting adhesive tester TLAT-A11

Lasting adhesive tester TLAT-A11

  • Standard roller
  • 2000 ± 50 g
  • Testing stations
  • 6
  • Dimension (L*W*H) tester
  • 650×210×550 mm (6 stations)
Charpy/ Izod Impact Tester TCI-A10

Charpy/ Izod Impact Tester TCI-A10

  • Impact Speed & Energy (charpy)
  • 2.9 m/s for 1J, 2J, 4J, 5J & 3.8 m/s for 7.5J, 15J, 25J
  • Impact energy (Izod)
  • 3.5 m/s for 1J, 2J, 4J, 5J, 7.5J, 15J, 25J
  • Resolution of impact energy
  • 0.001 J
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

Rubber Testing Instruments

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
Rubber-weiss plasticity testing machine TRWM-A10

Rubber-weiss plasticity testing machine TRWM-A10

  • Temperature range
  • RT 50° to 300°
  • Temperature accuracy
  • ± 1°
  • Measuring range
  • 0.01 to 25 mm
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
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

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
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)
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 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

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