Mirka Polarshine 45: Extra Coarse Polish

Mirka Polarshine 45 is an extra-coarse, powerful polishing compound developed for hard surfaces and coatings, particularly in the marine sector. It quickly and permanently removes sanding scratches from P600 and finer, and can also eliminate heavy oxidation without sanding, saving time while achieving a deep, glossy finish.

Polarshine 45 is ideal for both production and restoration work and is widely used for one-step polishing of white and light-coloured gelcoat surfaces. The compound restores the colour and gloss of weathered surfaces and is also highly suitable for gelcoats and high-gloss paints. For dark colours, a second step with Mirka Polarshine 5 is recommended to completely remove swirl marks.

Benefits of Polarshine 45

• Permanently removes scratches from P600 grit and finer.
• Eliminates heavy oxidation while restoring colour and gloss.
• Leaves a deep shine (one-step polishing for light colours).
• Water-based and silicone-free.

Directions for use of Polarshine 45

We recommend applying Mirka Polarshine 45 with a machine. Follow the instructions below for a perfect polishing result:

1. Shake the bottle well before use.
2. Ensure the surface is completely clean and dry.
3. Put a small amount of compound on a polishing pad.
4. Polish the surface at 800 - 2000 rpm with a rotary polishing machine. 
5. Polish one section of approximately 40 x 40 cm at a time for the best result. 
6. Continue polishing until the desired final gloss is achieved.
7. Wipe the surface clean after polishing with a clean microfibre cloth.

Specifications 

Contents: 250 ml, 1 litre
Colour: white
Density: 1.23 g/ml
PH: 2.5-4.5