The 5 Most Common Corrugated Box Tests

Corrugated box tests are performed with the objective of optimizing the packaging that holds the product to protect it from the different hazards outside. Ring crush tester, edge crush tester, cobb sizing testing machine, box compressing machine, etc. are some of the globally renowned machines used for corrugated box testing. These tests are implemented on corrugated boxes because these boxes are more prone to compression, especially when applied with a heavy load, hence harming the products inside. 

By performing these tests companies are able to calculate the maximum compression force that the box can tolerate, and thus helps in improving their packaging quality and process. This ultimately helps in safeguarding products during transportation, reducing costs, and obtaining more sustainable packaging solutions. Let us read in the following section what are the most common corrugated box tests.  

5 Most Common Corrugated Box Tests

1. Ring Crush Test

The ring crush test determines the ring crush resistance of paper. It is performed into a ring of standard length and width. Here the strength of fluting is measured both in the machine direction and perpendicular to it. The force applied to the specimen should be accurately perpendicular. The results are highly dependent on the preparation of the proper specimen. The specimen must be exactly parallel to the guides so that ring crush strength can be accurately determined. 

2. Edge Crush Test

The edge crush test calculates the cross-section crushing of corrugated boxes to determine their capacity to resist forces. Here, cross-sectional force is applied to the cardboard until it breaks down. This ultimately gives the maximum compression force the cardboard can tolerate. 

3. Burst Test

The burst test is also known as the mullen test. Here, compression is applied to the cardboard to examine its resistance as well as bursting point. In other words, the compression tester applies compression forces to the base of the box, until the box bursts. This test must be performed when the cardboard of the box is about to be stacked during both transportation and storage. 

4. Box Compression Test

The box compression test determines the resistance of the box to compression forces, similar to the burst test. However, the entire box is used as a sample in the box compression test. Just like the burst test, performing the test should be considered when the box is stacked during the distribution cycle. 

The test formula here considers the results of the edge crush test, the thickness of the corrugated box, and the box’s edge.  

5. Test For Water Resistance Of Glue

Corrugated boxes are made of water-absorbing materials, resulting in gained weight when coming in contact with water. The water resistance test measures if the glue can withstand the moisture when the box gets submerged in the water. Hence, here the box is first dipped in the water and then the performance of the glue strips is observed. 

Conclusion

The above were the five most commonly performed corrugated box tests. Of course, there are many others too. However, being a designer, manufacturer, supplier, and exporter of the packaging testing instruments, we suggest these be the most useful. Get in touch with us to know more about these instruments and obtain them at cost-effective rates.