Crush resistance testing involves the measurement of a compressive load to a point when a sample deforms, fractures, shatters or collapses. This type of test may be applied to a variety of products including corrugated cardboard, glass, bearings, bricks or any sample where crush resistance is important. This is a common test used in packaging design and validation.

Generally, a crush resistance test involves a load limit. The material under test is compressed and compared to the load limit. Maximum load, load at break and work at maximum load are calculated.

Crush resistance testing can be carried out on a range of Lloyd Instruments material testing machines  together with  NEXYGENPlus data analysis software when more comprehensive testing results are required.

Common standards for determining crush resistance

• ASTM B438
• ASTM B439
• ASTM C133

Typical graph showing compression test.

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