Ludwigshafen, Germany – BASF has developed new TPU material grades for the optimised manufacture of shanks for shoes.
The materials are the stiffening elements between the inner and outer sole that retain shape and improve comfort, BASF said in a statement 13 Feb.
The most important property of a shank is stiffness, and therefore they are commonly made from glass fibre-reinforced polyamide.
BASF scientists have developed a TPU-based alternative.
The new Elastollan R…