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Bursting Strength Tester

The bursting strength of a material is a major aspect that defines its quality. The bursting force is the force that is exerted on a material from edges or elbows. Most of the failures of materials happen due to this force hence the bursting strength force is essential to measure for best quality assurance of the products. The bursting strength is also a major aspect of quality of the materials that are used in packaging industries such as paper, fabrics, plastic sheets, etc. For best evaluation of the bursting strength of a material, the bursting strength tester is used. Presto offers a wide variety of bursting strength testers that are widely used in packaging industries.



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The bursting strength is a major parameter for quality evaluation and assurance of packaging material hence bursting strength tester is used for this purpose in packaging industries. The test procedure is commenced by placing the test specimen between two clamps. After proper placement of the specimen, there is a bursting force applied on the test specimen with the help of a rubber diaphragm. The force is exerted in two ways; one is with the manual application, and the other is with the assistance of hydraulic pressure. When the bursting force is applied to the specimen, it collapses. The force needed for the collapse of the specimen gives the bursting strength of the specimen. The manufacturers of the materials can enhance the strength of the materials by making changes in the manufacturing process based on this test result. There are five different models of Bursting strength tester offered by Presto that are Analogue Model, Digital Model, Pneumatic Model, Computerized Cum Digital Model with Manual Clamping and Computerized Cum Digital Model with Pneumatic Clamping.



  • 1) Bursting Strength Tester – Analogue
    • The testing instrument is provided with an analogue display.
    • The instrument is provided with two clamps that are upper clamp and lower clamp both having a respective diameter of 30.5 mm and 38.1 mm.
    • The fluid disarticulates in the instrument at a rate of 95cc/min.
    • The pressure that can be exerted on the material can vary up to 35 kg per sq. centimeter.
    • The fluid used in the instrument is the glycerin oil for creating of pressure.
    • The gearbox incorporated in the instrument is of the worm reduction type gear box.
    • The power required for operating the instrument is ½ KW and is equipped with a ½ hp single phase AC motor.

    Related Standards – IS1060 Part –I 1987.

    2) Bursting Strength Tester – Digital
    • The product is provided with a digital display.
    • The testing of the specimen is commenced with the help of a rubber diaphragm of a definite area.
    • The machine requires a ½ KW, single phase power consumption.
    • The instrument is provided with two clamps that are upper clamp with a 30.5 mm diameter and lower clamp with a diameter of 38.1 mm.
    • The disarticulation liquid rate offered by the equipment is 95cc/min.
    • The pressure exerted by the instrument can vary from 0 to 35 kg/sq. cm.
    • The gearbox provided with the instrument is of worm reduction type.

    Related Standards: 

    • ASTM 3786
    • ISO 2758/ 2559/ 3303/ 3689
    • BS 3424/3137
    3) Bursting Strength Tester – Pneumatic
    • The instrument facilitates clamping of the test specimen with the help of a pneumatic pressure and provides the highly accurate digital format of test results.
    • The least count of the instrument is 0.1 kg/cm2.
    • The dimensions of the instruments are 750 X 410 X 550 mm.
    • The weight of the equipment is 85 kg.
    • It can be operated on a power supply of 220 Volts and 50 HZ AC.
    • Compressed air is used for the pneumatic operation of the instrument.

    Related Standard – IS 1060, Part-I 1987

    4) Bursting Strength Tester Computerised
    Cum Digital Model with Manual Clamping

    • The pressure required for the complete busting of the test sample is calculated by a computerized digital calculator. The quality CBF is ranked with the help of the bursting strength calculated through the bursting strength tester.
    • The instrument offers a range of 40 KGF.
    • The least count offered by the equipment is 0.1 kg/sq. cm.
    • The instrument is available with a dual system that are Digital display and inbuilt software and CD.

    Standards: IS 1060, Part – 1987

    5) Bursting Strength Tester Computerized
    Cum Digital Model with Pneumatic Clamping

    Pressure required to completely burst the board is calculated through a digital indicator.  The quality CBF is ranked with the rate of bursting strength.

    • The instrument offers a load range of zero to 40 kg/sq. cm.
    • The least count of  the equipment is 0.1 kg/ sq. cm.
    • The instrument is also provided with a  dual system that is digital display if the computer is unavailable and the inbuilt software with software CD.

    Standards: IS 1060, Part – 1987


    1) Bursting Strength Tester – Analogue
    • Very easy installation
    • High accuracy assurance in the calculation of bursting strength of a product.
    • Highly useful instrument for best quality assurance.
    • Calibration services are also available.
    2) Bursting Strength Tester – Digital
    • Very easy and simple operation.
    • The readings are indicated in digital format.
    • Highly intense clamping fro firm grip.
    • High storage capacity or storing test data for future reference.
    • Provides consistent, repeatable and stable test data.
    • Equipped with an Intel chip based completely on microprocessors.
    • Is incorporated with TARE facility.
    • Provided with an intense LED display.
    • Can hold the highest value in memory with peak hold feature.
    • Calibration facility is available.
    • Equipped with feather touch controls.
    3) Bursting Strength Tester – Pneumatic
    • Amendable clamping force.
    • Single push button procedure.
    •  Digital readings with high accuracy.
    • The deviation in test results can be avoided by the adjustment of clamping forces.
    4) Bursting Strength Tester Computerised
    Cum Digital Model with Manual Clamping

    • The test report is provided in a graphical format which is represented as Pressure vs. time.
    • The reports can easily be saved on a computer for future reference.
    • Ten sample reports can be easily viewed at a time.
    • The reports can easily be emailed.
    • Data can be easily maintained with the help of an excel sheet.
    • Company logo and other details can be easily inserted in the test report.
    • The test reports also contain other details such as bath no., operator, time and date of the test.
    • Criteria for pass/fail can be programmed.
    5) Bursting Strength Tester Computerized
    Cum Digital Model with Pneumatic Clamping

    • The graphical test reports present the test results in Pressure vs. Time Format.
    • The reports can easily be saved on the computer for reference in future.
    • Maximum ten test reports can be viewed at a single time.
    • The reports can be emailed to clients easily.
    • The details like a company logo, the address can be mentioned in the test report.
    • Data can be easily maintained in an excel sheet.
    • The standard, shape, size, batch no., operator and other details can be easily mentioned in the test report.
    • PASS/FAIL criteria can be programmed for the testing instrument.

    Features of Pneumatic: 

    • Amendable clamping force.
    • Single push button procedure.
    •  Digital readings with high accuracy.
    • The deviation in test results can be avoided by the adjustment of clamping forces.

    Sample Reports for Computerized Model

    Bursting Strength Tester






2 Reviews of Bursting Strength Tester

  1. Lalit Aggarwal
    23 Feb, 2016

    Determining at what strength the packaging material will burst was difficult earlier but now it is easy to understand the bursting factor and strength of a material. The instrument is easy to operate. It offers highly standardized and accurate test results. Thanks to Presto for highly reliable device.

  2. Kirti Sharma
    23 Feb, 2016

    Bursting is not an issue for me because of bursting strength tester. The tool provides the opportunity to check the material in initial stage and helps from sudden bursting due to low quality of the packaging material. The bursting strength tester is the best equipment to maintain the quality of the packaging boxes.

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