Expanded Polyethylene (EPE) is a soft, non-abrasive, highly resistant to oil or chemicals and has excellent resistance to shearing from concentrated stress points; it is also very buoyant and uses include:
Exercise Rollers
Personal Watercraft Components
Flotation Devices
And more…
Expanded Cross-linked Polyethylene (xEPE) gives superior performance for firmer applications, car seat back rests and sanding pad holders for example.