R-MER II expandable resin is used in high performance cushion packaging for fragile, high-value items. Excellent cushioning properties coupled with enhanced fracture resistance make R-MER II resin the material of choice for dynamic impact protection.

For more specific information about R-MER cushioning performance (cushion curves) just click this link then choose "open" to view or you can save the file to your PC cushion curves

There's more!  If you need or want to see some physical comparative analysis it's right here comparative charts (same procedure as above).