Ultracur3D® EL 4000 by Forward AM is a flexible and elastomeric resis. With its high hardness of Shore 90 A, it is at the high end of our portfolio, which now covers the whole spectrum from Shore 40 A to 90 A. Due to its superior strength, rebound, and tear resistance, this material is perfectly suitable for applications such as footwear, bike saddles, and cushioning pads.