Mirka's Polarshine polishing compound line is a series of high-performance polishing compounds designed for achieving a superior finish on a variety of surfaces. These compounds are formulated to deliver fast and efficient polishing results, whether you're working on automotive clear coats, marine gel coats, or composite surfaces. 

Note: lower numbers indicate a higher grit compound (eg. Polarshine 3 is for very fine polishing, Polarshine 45 is for very heavy cutting).

Key features of the Polarshine line include:

1. **Versatility**: Suitable for different surfaces, including painted, gel-coated, and composite materials.
2. **Efficient Cutting and Polishing**: Offers a balance of cutting power and gloss, enabling users to remove scratches, swirl marks, and other surface imperfections while achieving a high-gloss finish.
3. **Low-Dusting Formula**: Reduces clean-up time and ensures a cleaner working environment.
4. **Easy Application**: Can be used with rotary or dual-action polishing machines, and some products are even suitable for hand application.
5. **Sustainability**: Some products in the Polarshine line are water-based and silicone-free, making them more environmentally friendly.

The Polarshine range includes different grades of compounds, from coarse to fine, allowing for a step-by-step polishing process tailored to specific surface conditions and desired results.