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

Standard strip cutter TP-G10

Standard strip cutter TP-G10

  • Sample width
  • 15 mm
  • Sample maximum length
  • 300 mm
  • Parallelism
  • ≤ 0.1 mm
Bekk Smoothness tester TP-L20

Bekk Smoothness tester TP-L20

  • 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
  • Vacuum system volume (ml)
  • Bigger volume: 380 ± 1 Smaller volume: 38 ± 1
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
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

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)
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

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 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-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-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

Rockwell hardness meter TRHM-A10

Rockwell hardness meter TRHM-A10

  • Preliminary test force
  • 98 N
  • Total test force
  • 588, 980, 1471 N
  • Total test force dwell time
  • 0 to 30 S
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 (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
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