Gel coat surface sanding:

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- First step. Attach Mirka GALAXY 150 mm (P240) sanding disk to Mirka DEROS 650CV sander. Sanding the designated area.
- Second step. Change abrasive to Mirka GALAXY 150 mm (P320) and continue sanding.
- Third step. Sanding with Mirka GALAXY 150 mm (P500).
- Fourth step. Attach Mirka MIRLON 148.5 mm interface to the Mirka DEROS 650CV sander and continue sanding with Mirka GALAXY 150 mm (P800).
- Fifth step. Finish sanding with Mirka GALAXY 150 mm (P1000) together with interface Mirka MIRLON 148.5 mm. (for dark surfaces use 1200 grain sanding disc).
- Step Six. Wipe the sanded area with Mirka 330 x 330 mm microfiber cloth. The sanded area is ready for polishing.