Mirka 45 Polarshine PolishA coarse and fast cutting polishing compound that helps you save time and still achieve a perfect deep gloss finish. Removes sanding scratches from P600 and finer quickly and permanently. Designed for hard surfaces and coatings, especially within the marine sector. Used in both production and restoration processes, Polarshine 45 is ideal for one step polishing of white and light coloured gel coat surfaces. For darker colours, we recommend a second