I do not have any information of this material.
I confirmed by Styron web page.
This material (VelVex 5250 series) is reinforced TPO for automobile.
Kasai Japan is developing equivalent material now. (Welnex: Metallocene PP with glass fiber)
We are trying this material to S35 Grip Base, we will change on Dec 2014. (Eliminate paint, Nissan 333 item)
These materials are not soft. (no PP-form)
Therefore I do not understand can we change from vacuum skin.
But I think this item is good 333 item.