Project Description

automatic bursting strength tester

Paper & Board Bursting Strength Tester China Manufacturer

Bursting Strength Tester is a frequently used paper and packaging testing machine used to determine the bursting strength of the paper or board subjected to increasing hydraulic pressure under specified conditions. Bursting strength is the maximum pressure exerted by the hydraulic system in forcing an elastic diaphragm through a circular area of the test piece when the pressure is applied.

It applies to all types of the board, including solid and corrugated fibreboard with bursting strengths within the arrange 350 kPa to 5,500 KPa. Paper or board with the bursting strength as low as 250 kPa can also be measured by this testing equipment If it is intended for the material of corrugated board with a higher bursting strength.

Amade bursting strength tester is designed on the basis of the Pascal Law: The pressure applied to the closed liquid can be transferred from the fluid in all directions with intact magnitude. The pressure is generated by a motor-driven piston forcing a suitable liquid against the inner surface of the diaphragm to bulge it outside the outer plane of the diaphragm plate until the test piece bursts.

clamping plates of bursting strength tester 1

Test Principle

A test piece is placed over a circular elastic diaphragm and rigidly clamped at the periphery but free to bulge with the diaphragm. Hydraulic fluid is pumped at a constant rate, bulging the diaphragm until the test piece ruptures. The bursting strength of the test piece is the maximum value of the applied hydraulic pressure.

Test Standards

  • ISO-2759 Board – Determination of bursting strength
  • GB/T-6545 Corrugated fibreboard – Determination of bursting strength
  • JIS-P8112 Paper – Determination of bursting strength
  • TAPPI-T403 Bursting strength of paper
  • BS 3137 Methods for determining the bursting strength of paper and board
  • ISO 2758 Paper – Determination of bursting strength
  • ISO 3689 Paper and board – Determination of bursting strength after immersion in water

Main Technical Parameters

Model AT-P8001
Capacity Range 250 ~ 5600 kPa
Accuracy ≤ ± 1%
Resolution 1 kPa
Deformation Error ≤ 1 mm
Speed of Hydraulic Pressure 170 ± 10 ml/min
Dia. of Clamping Ring 31.5 mm
Diameter of  Clamps Upper: 95 mm

Lower: 135 mm

Unit kgf / cm2, kPa, Lb / in2
Clamping Indication Pressure gauge
Diaphragm Circular rubber membrane
Detection Method Pressure transducer
Air Source 0.4 Mpa
Diaphragm Resistance Bulge height: 10 mm, pressure range: 170 kPa to 220 kPa

Bulge height: 18 mm, pressure range: 250 kPa to 350 kPa

Hydraulic Oil Silicone oil
Dimension (L × W × H) 430 mm × 530 mm × 520 mm
Weight Approx. 75 kg
Power 1, AC220± 10%, 50Hz or Specified
Accessories Five piece rubber membrane

One piece wrench

10 pcs aluminum foils

250ml silicone oil

Bursting Strength Test Machine Features

  • After the cardboard collapse, the machine will stop automatically, and the upper clamping plate will reset automatically.
  • Controlled by a microprocessor to fulfill the automatic operation of the test, which helps the operator simplify the operation and improve testing efficiency.
  • Equipped with a digital display screen matching with physical keys to set crucial parameters (Touch screen version is optional).
  • Built-in overload protections are available to protect testing the machine.
  • Configured with a built-in compact printer to print results.
  • It has an emergency stop button to make the operation safer.
  • The pressure gauge is available to monitor the pressure at any time.
  • It is capable of saving 50 groups of test data at the same time.
  • The silicone oil is selected as the hydraulic liquid to extend the service life of the machine.

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Please feel free to contact us for more details on the product, price, lead time, payment terms, shipment methods, etc. Amadetech sales specialists will respond within one working day.

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