Burst tester for paper & board - Bursting Strength Tester (Mullen method)


For measuring the bursting strength of paper according to the MULLEN method.

This Mullen tester is delivered with a built in touch-screen and is controlled by an industrial computer. All parts of the burst tester are built into a sturdy aluminum frame. The device is equipped with 1 measuring head for bottom measurement of the bursting strength. Measuring range up to 5000 kPa with an accuracy of +/-1% of the displayed value. Clamping force for the sample holder is adjustable between 1000 N and 7500 N. The maximum sample height is 12 mm. Display of burst value as also BEA (Burst Energy Absorption). Automatic test cycle with break detection and after break automatic return to starting position.

Test description

The sample to be tested is placed in the measuring area. By pushing the start button on the touch screen first the acrylic glass protection cover and then the clamping bell lowers and fixes the sample. Glycerin under the membrane is compressed and the membrane is pressed against the sample. When the sample breaks, the hydraulic cylinder stops and returns to starting position. The protection cover and the clamping are opened automatically. The maximum pressure is shown on the display as breaking force. The next sample can be tested.

Technical specifications

  • Width
    • Net: 360 mm
    • Gross: 840 mm
  • Depth
    • Net: 600 mm
    • Gross: 600 mm
  • Height
    • Net: 530 mm
    • Gross: 790 mm
  • Weight
    • Net: 70 kg
    • Gross: 120 kg

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