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How to test compression resistance of beverage bag?

Aug 17,2020

Source: Link Testing Instruments Co., Ltd

The bagged beverage e.g. bagged water uses food grade disposable composite packaging bag, the cost of which is lower than that of bottles. Moreover, the secondary pollution to the beverage or drinking water can be avoided by using such bags. Today bagged beverage has become popular in many countries and areas for its cleanliness and portability.

The beverage bags are usually made of flexible plastic composite films, which may suffer external compression during the storage or transportation. Sometimes when they are compressed by external force or in stacking process, the bags may be broken. That’s why the beverage manufacturers shall strengthen the compression resistance test of those bags used for beverage.

This article discusses how to test the compression resistance of beverage bags for the reference of related users. The testing instrument is Link Testing’s KYJ-10K Box Compression Tester.

Figure 1. Plastic Composite Bags for Beverage

Then the tests can be performed according to the following testing procedures.

  • Select 5 intact beverage bags for the tests.
  • Set test parameters.
  • Center the specimen on the lower platen of the instrument.
  • Click Test to start the test. The instrument will perform crushing force test and display the test results automatically.

Figure 2. Test Specimens after Compression Resistance Tests

According to the test results, the beverage manufacturers can determine whether the plastic composite bags they use for their products can meet the requirements for compression resistance.

Box compression Tester KYJ-10K

For more details about Link Testing’s KYJ-10K Box Compression Tester, please visit

About Link Testing Instruments Co., Ltd:

Link Testing Instruments Co., Ltd is one leading supplier of packaging testing instruments, which is headquartered in Jinan, China

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