Endur was announced a few hours ago by Stratasys. The material was created to act as a simulator of Polypropylene for prototyping. Endur comes in a bright white color, and is confined to one printer cartridge. The early tests of the material seem to be quite impressive.

http://3dprint.com/2082/stratasys-un...ting-material/

Endur will have many uses within the industry and works with most of the large scale Stratasys printers, including their flagship Objet 500 Connex 3 3D Printer. Here is a picture of a Camera lens prototype printed with the Endur material: