What is Bursting Strength in the Packaging Industry?

Reviewed by Anurag Mishra (Sr. Technical Consultant)

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Corrugated boxes are widely used to pack and ship different fragile and non-fragile materials. Thus, it is important for you to test the bursting strength of these boxes so as to save them from getting damaged. We at Testronix Testing Instruments will provide you with high quality bursting strength tester that is equipped with an advanced set of features to provide you with accurate testing results. This lab testing equipment will ensure the durability, quality, and strength of packages being used to ship the materials.

Here in this blog, we are going to provide you with the information about bursting strength tester and how you can calculate the burst strength of packages with the help of this lab testing equipment.

Calculate the bursting strength of corrugated boxes with a bursting strength tester

With the great demand for corrugated boxes in the packaging industry, serving quality products is of utmost importance. The lack of quality testing is a big culprit that will stop your business from growing. Thus, it is essential to test different factors before delivering your product. The bursting factor is one of the essential factors that needed to be tested in order to remain ahead of the competition curve. Thus, you can easily test the bursting strength of materials with the help of a Presto bursting strength tester.

This is one of the amazing labs testing equipment that will let you determine the bursting strength of materials with ease. You can easily use the Testronix burst strength tester in the packaging work and get instant bursting test results. This testing equipment will make sure that your product arrives at your destination without getting damaged. This will ultimately reduce product rejections.

If you want to calculate the bursting strength of products, then you need to clamp the specimen first and use the “push to burst” button to apply the hydraulic pressure on the sample. The pressure will be applied through a rubber diaphragm that will inflate when hydraulic pressure is increased. This lab testing machine will easily test the bursting point of

Once you calculate the bursting strength of the products then you can easily calculate the burst factor and burst index of the materials.

Below we have mentioned the formulas to calculate the burst factor and burst index of materials.

  • Burst factor = Bursting strength (gf/cm2) / Grammage (gf/m2)
  • Burst Index = Bursting strength (kPa) / Grammage (gf/m2)

From corrugated boxes to different types of fiberboards and paper boxes, this lab testing instruments can easily be used to calculate the bursting strength of products.

Features of Testronix bursting strength tester

The bursting strength of the material will be helpful in determining the aptness of products and is considered to be one of the oldest methods to determine the strength of papers and paper materials. This practical test performed with the help of Testronix bursting strength tester digital will provide you with accurate testing results.

The features of this lab testing equipment are mentioned below.

  • Push-Button Operation
  • Microprocessor-based display for accurate test results
  • Peak Hold facility for keeping the maximum value of test result in memory
  • Memory to hold up to 9 test reading
  • Highly accurate test results under multidirectional Force
  • Digital screen for accurate results
  • Strong Gripping clamps
  • Grooved structure of Test Specimen Holder to provide a firm grip
  • The firm grip of the specimen if the operating wheel is tightened uniformly
  • Available in 0 – 60 kg/cm² on request
  • Available in computerized model with thermal print facility
  • Pressure transducer model for accurate results

Technical Specifications of Bursting strength tester digital


0 - 40 kg/cm²




± 1% within 10% to 90% of entire range as per IS:1828 with master gauge.

Least Count/Resolution

0.1 Kg/cm2 


220V, Single phase, 50 Hz

Test fluid

Glycerin about 98% purified

Rate of fluid displacement

95 cc/minute


1/4 HP Single Phase , 1440 rpm


Mild steel, powder coated


540x 600x 450 mm


With these features and technical specifications, you can easily detect the bursting strength of materials with ease. Along with that, you will get complimentary products like:

  • 1 bottle of 100 ml glycerin
  • 2 pack of the rubber diaphragm
  • Calibrated aluminum foil
  • 1 screwdriver
  • 1 glycerin bowl opening wrench

To test the bursting strength of multi-layered products like papers or paper boards, a high-quality diaphragm is used. During the test, the sample will be pressurized to the weakest point of burst. This reliable and easy-to-use testing equipment is available at the best quality.


The bursting strength tester used in the packaging industry will effectively measure the effects of peripheral forces exerted on the material like corrugated boxes. This testing apparatus will be used by manufacturers will help you to make sure that they are delivering the right quality of corrugated boxes to their customers. Testronix bursting strength tester will solve the problem of product damage by effectively providing you with the value of bursting strength.

To know about the price, discounts, or other related information about this lab testing equipment, you can give us a call at +91-9313140140 or send us an email at info@testronixinstruments.com. We will surely assist you well, regarding your needs and queries.

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