Verwijderen roest van elektrische installaties
With blasting dry ice one can remove 'fly' rust only because dry ice is soft and does not damage nor scratch the substrate.
If you want a shiny or rough finish you need to remove the toplayer with an abrasive hard medium that is harder than the substrate. The "Dry Ice & Grit Blaster" allows to add a little bit abrasive 'sand' to the dry ice and gives that shiny & rough result.