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Creasing and Stiffness Tester

This is a dual purpose machine.

It can perform the following tests :

  1. Crease Strength, Crease Recovery and Crease Ratio
  2. Bending Stiffness

The value of Crease Stiffness is technically important in the folding of carton blanks during their erection and closure, whether this is by hand or by mechanical means. High values of crease stiffness may be associated with an unacceptable appearance of the fold line or its displacement from its proper place in the carton design. The crease recovery (spring back) can result in forces which distort the erected carton or cause stresses to be applied to closures which reduce their effectiveness.

The relationship between board stiffness and crease recovery (spring back) is an important factor in the performance of cartons. Board stiffness is determined by bending a 50mm (2 in.) length of board through a 15° angle.

Crease recovery is determined by holding a formed crease at 90° and measuring the recovery force after 15 seconds. This instrument measures the bending resistance of the board and evaluates commercially formed creases

Bending resistance affects the product performance in many converting operations and end use applications including printing, packaging, etc.


Creasing and Stiffness Tester

Delux Digital Model with Automatic Sample Rotation.

12,800 PPR stepper motor and drive for ultra smooth and precise motion

Suitable for automated testing of

  • Paperboard Stiffness Test (15º bending)
  • Creasing Stiffness Test
  • Crease Recovery (Automatic Calculation)

Digital Model                         Model # CST-5P

Capacity : 5000 gcm ( 1 gcm = 1Taber Unit )

Resolution : 5 gcm

Accuracy : ± 5 gcm


2 Line, Backlit LCD display.

Embedded Push Button Control on panel.

Automatic Test Cycle.

Precise and Reproducible Results.

No Human Error.

Results Shown :

  • In Stiffness Test : Stiffness value in gcm or mnm units
  • In Creasing Test : Creasing Stiffness and Crease Recovery (15 secs) values in gcm or mnm.

Auto-Calibration Facility using Physical Weights.

Calibration kit and weights will be provided with the machine.

Includes Stainless Steel Templates for sample cutting.


Utilities Required (To be supplied by the buyer) :

  • Power Supply : 110/230 Volts AC at 60/50 Hz. (Fluctuation Free Power required)

IQOQ Documentation Set available for Pharmaceutical companies.

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