Polarstar SR is the first in a series of new high technology micro products produced by Mirka. This innovation curing technology is energy saving with a low carbon footprint. This new sanding film is mainly developed for spot repair, used at car plants in the finessing- and hospital area of the paint shops. The Polarstar SR products are also used in the automotive refinish processes. This product is primarily designed for wet sanding, for correction of small painting defects and removing of dust particles in top coats and clear coats. Suitable for both machine and hand sanding.