D-Profile is EuroRubba. Used for die ejection
applications. It has a Durometer "A" scale
reading of 55 - 60. This product comes in many different heights: 6mm, 7mm, 8mm, 9.1mm, 9.5mm
Need more info check out these helpful tools:
MSDS Sheet
Spec Sheet
Kodiak Shore Sheet
Decimal Conversion Sheet
Durometer Conversion Table