It consists of tiny, lead-free beads of soda glass which produce an even silky lustre
The controlled size and shape of the beads make for a high level of usability and therefore efficient, economical working
No metal is lost because the surface is compressed and not abraded
No finishing is necessary on the surfaces which are not intended for polishing
It can be used for all standard crown and bridge alloys to give the occlusal surfaces a matt finish
