Testing
Frictional Properties
Force to move a test sled on the surface of the cushion. Can be used to measure fabric only or whole cushion.
![Frictional Properties](https://www.ec-service.net/wp-content/uploads/2023/01/frictionalProperties.jpg)
Why this test is needed
Friction contributes to resistance of sliding and stability. Friction has been implicated as a significant factor in the formation of pressure ulcers.
How this test is performed
This test measures the force necessary to drag a ground steel sled across the test material, i.e. cushion (with or without cover), cushion cover.