Application Studies / Foam Relaxation and Creep Recovery

Foam Relaxation and Creep Recovery

Industry:

foam

Materials

Attributes measured:

hardness

firmness

elasticity

strain firmness

instant relaxation

relaxation

ultimate relaxation

equilibrium

creep unload travel

creep recovery travel

creep

Background

As described in the “Foam Stress Strain Resilience” study foams are sold based PSI metrics which are rarely relevant to the complex applications in which foams are used. This study introduces several new metrics that can be extracted from a customized relaxation and creep recovery test. It illustrates the metrics by testing the same foam samples - the Firmness Selector pack which contained eight foams and the Material Selector pack which contained different 13 foams.

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