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Written by Deepak » Updated on: June 23rd, 2025
I didn’t know what this Bursting Strength Tester thing was, but then I saw it in some factory and it looked like one strong machine that presses paper and board until it pops! Sounds funny, but seriously, this machine is really helpful in packaging stuff.
Let me try to explain what I understood… don’t laugh, okay?
So, this machine checks how strong a paper or carton is before it tears or bursts. Like, if you put pressure on a box, it should not tear fast, na? This machine puts pressure from inside and sees when the paper gives up. Then it shows some number like 7 kg/cm² or something... that’s the bursting strength.
I think this helps to see if the box or paper can handle load or not.
The principle behind a bursting strength tester is very straightforward. A sample material is clamped and subjected to a steadily increasing hydraulic pressure via a rubber diaphragm. As the pressure increases, it pushes against the material until it bursts. The value at which the material bursts is recorded as its bursting strength.
This test helps assess how the material will behave under internal or external forces like stacking, dropping, or handling stress during shipment.
In the paper industry, the Bursting Strength Tester plays a vital role in evaluating raw material quality and ensuring the durability of finished products.
1. Kraft Paper Testing:- Kraft paper is often used in packaging because of its strength and flexibility. A bursting strength test checks whether the kraft paper meets the required pressure resistance standards before it's converted into bags or boxes.
2. Tissue and Writing Paper:- Though these papers are thin, testing them helps ensure uniformity and prevent tearing during use. The tester helps determine how easily the paper will rip under stress.
3. Paperboard and Linerboard:- Before converting into cartons or laminated sheets, paperboard needs to pass the bursting test. A higher bursting strength indicates better durability, especially for moisture-sensitive packaging.
Packaging companies rely on the carton bursting strength tester to evaluate the strength of corrugated boxes, which are used in almost every industry—from food to electronics to e-commerce.
1. Corrugated Box Testing:- Corrugated boxes are widely used for shipping. These boxes must handle rough handling, pressure from stacking, and long transit periods. The bursting strength test ensures that the boxes don’t collapse or tear under load.
2. Carton Quality Control:- In packaging, if the carton isn’t strong enough, the product may get damaged. Using a bursting strength tester ensures that cartons meet safety and strength standards before going to the market.
3. Export Packaging:- Exported goods go through long and tough journeys. That’s why exporters prefer packaging that passes strict quality checks, including bursting strength. This test helps maintain consistency in international shipments.
4. Printed Cartons & Display Boxes:- Even good-looking printed cartons need strength. Bursting strength testing ensures the print packaging is not just attractive but also tough enough to survive logistics.
Many people ask—why not just use a compression test or drop test?
Well, here’s the deal: while compression and drop tests check external factors, the bursting strength tester measures the internal resistance of a material. It tells you about the material’s fiber structure and bonding quality. That’s what makes it critical for materials like paper or single-wall cartons.
Also, bursting strength testing:
The bursting strength tester price depends on various factors like build quality, digital or manual operation, and added features (like memory storage or printer output).
Typical price range:
If you’re looking for reliable and accurate machines, brands like Presto Group are trusted suppliers in India. Their machines are known for accuracy, durability, and ease of use.
If you’re planning to buy one, here are some must-have features:
Also, make sure it complies with international testing standards like ASTM D3786, ISO 2759, and TAPPI T810.
Simple, right? Even a small team can perform tests regularly.
In the paper and packaging industry, ensuring material durability isn’t just good practice—it’s a critical quality control step. The Bursting Strength Tester helps manufacturers avoid weak spots in packaging, reduce product damage, and maintain customer trust.
From raw kraft paper to final printed cartons, bursting strength testing is an essential process for building strong, reliable, and compliant packaging.
Q1. What materials can be tested using a bursting strength tester?
You can test paper, paperboard, corrugated board, carton boxes, fabrics, and some laminated sheets—basically any flexible packaging material.
Q2. What is a good bursting strength value for a corrugated box?
It depends on box type, but generally, above 10 kg/cm² is considered strong for single-wall boxes.
Q3. Is bursting strength testing mandatory for exports?
Yes, many international standards (like ISO, ASTM) require bursting strength testing, especially for FMCG, pharma, and electronics packaging.
Contact Presto Group — one of the best suppliers in India.
Phone:- +91 9210 903 903
Email:- [email protected]
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