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Mattress Compression Tester
The Mattress Compression Tester is used to evaluate a degree of firmness common within the mattress and foam industries. This universal measurement of firmness and hardness is based on a physical property called the indentation force deflection (IFD) and is calculated by determining the force required to deflect the test piece a percentage of its original thickness using a circular indentor, which applies a force, while also recording the degree of indentation. To compare test results, test pieces must be of the same size and thickness.
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