Can you give more details? It seems that it would be quite simple to do this, but finding the right particle shape image would be the hardest part. The particles need to just appear and not move after they're created.
The rubber is whitely and approx. 3 cm wide. The abrasion has different sizes.
It does not have to look perfect. It only shall be recognizable, what it is.
I can send you a MPG file into this the abrasion shall be integrated.